Core i7-7700K vs Ryzen 9 3900

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Aggregate performance score

Ryzen 9 3900
2019
12 cores / 24 threads, 65 Watt
19.93
+219%

Ryzen 9 3900 outperforms Core i7-7700K by a whopping 219% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900 and Core i7-7700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking2551009
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation35.154.23
Market segmentDesktop processorDesktop processor
SeriesAMD Matisse (Ryzen 3000 Desktop)Intel Core i7 (Desktop)
Architecture codenameMatisse (Zen 2) (2019−2020)Kaby Lake (2016−2019)
Release date9 October 2019 (4 years ago)3 January 2017 (7 years ago)
Launch price (MSRP)no data$339
Current price$381 $219 (0.6x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 3900 has 731% better value for money than i7-7700K.

Detailed specifications

Ryzen 9 3900 and Core i7-7700K basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores12 (Dodeca-Core)4 (Quad-Core)
Threads248
Base clock speed3.1 GHz4.2 GHz
Boost clock speed4.3 GHz4.5 GHz
L1 cache768 KB64K (per core)
L2 cache6 MB256K (per core)
L3 cache64 MB8 MB (shared)
Chip lithography7 nm14 nm
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility--
Unlocked multiplierYesYes

Compatibility

Information on Ryzen 9 3900 and Core i7-7700K compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configurationno data1
SocketAM4 (1331)FCLGA1151
Power consumption (TDP)65 Watt91 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and Core i7-7700K. You'll probably need this information if you require some particular technology.

Instruction set extensions86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSXno data+
Idle Statesno data+
Thermal Monitoringno data+
SIPPno data-
Statusno dataDiscontinued

Security technologies

Ryzen 9 3900 and Core i7-7700K technologies aimed at improving security, for example, by protecting against hacks.

EDBno data+
Secure Keyno data+
MPXno data+
Identity Protectionno data+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900 and Core i7-7700K are enumerated here.

AMD-V++
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and Core i7-7700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR3, DDR4
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/s38.397 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel HD Graphics 630
Max video memory-64 GB
Quick Sync Video-+
Clear Video-+
Clear Video HD-+
Graphics max frequency-1.15 GHz
InTru 3D-+

Graphics interfaces

Available interfaces and connections of Ryzen 9 3900 and Core i7-7700K integrated GPUs.

Number of displays supported-3

Graphics image quality

Maximum display resolutions supported by Ryzen 9 3900 and Core i7-7700K integrated GPUs, including resolutions over different interfaces.

4K resolution support-+
Max resolution over HDMI 1.4-4096x2304@24Hz
Max resolution over eDP-4096x2304@60Hz
Max resolution over DisplayPort-4096x2304@60Hz

Graphics API support

APIs supported by Ryzen 9 3900 and Core i7-7700K integrated GPUs, sometimes API versions are included.

DirectX-12
OpenGL-4.5

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and Core i7-7700K.

PCIe versionno data3.0
PCI Express lanesno data16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 9 3900 19.93
+219%
i7-7700K 6.24

Ryzen 9 3900 outperforms Core i7-7700K by 219% based on our aggregate benchmark results.


Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

Ryzen 9 3900 30826
+219%
i7-7700K 9652

Ryzen 9 3900 outperforms Core i7-7700K by 219% in Passmark.

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Benchmark coverage: 42%

Ryzen 9 3900 1651
+4.9%
i7-7700K 1574

Ryzen 9 3900 outperforms Core i7-7700K by 5% in GeekBench 5 Single-Core.

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Benchmark coverage: 42%

Ryzen 9 3900 9530
+86.3%
i7-7700K 5116

Ryzen 9 3900 outperforms Core i7-7700K by 86% in GeekBench 5 Multi-Core.

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Benchmark coverage: 20%

Ryzen 9 3900 5700
i7-7700K 7305
+28.1%

Core i7-7700K outperforms Ryzen 9 3900 by 28% in Cinebench 10 32-bit single-core.

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Benchmark coverage: 19%

Ryzen 9 3900 44191
+52.9%
i7-7700K 28903

Ryzen 9 3900 outperforms Core i7-7700K by 53% in Cinebench 10 32-bit multi-core.

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Benchmark coverage: 19%

Ryzen 9 3900 13817
+36%
i7-7700K 10156

Ryzen 9 3900 outperforms Core i7-7700K by 36% in 3DMark06 CPU.

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Benchmark coverage: 17%

Ryzen 9 3900 31
+199%
i7-7700K 10

Ryzen 9 3900 outperforms Core i7-7700K by 199% in Cinebench 11.5 64-bit multi-core.

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Benchmark coverage: 15%

Ryzen 9 3900 2804
+199%
i7-7700K 939

Ryzen 9 3900 outperforms Core i7-7700K by 199% in Cinebench 15 64-bit multi-core.

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Benchmark coverage: 15%

Ryzen 9 3900 197
+2.3%
i7-7700K 193

Ryzen 9 3900 outperforms Core i7-7700K by 2% in Cinebench 15 64-bit single-core.

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Benchmark coverage: 14%

Ryzen 9 3900 2.22
+1.4%
i7-7700K 2.19

Ryzen 9 3900 outperforms Core i7-7700K by 1% in Cinebench 11.5 64-bit single-core.

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Benchmark coverage: 13%

Ryzen 9 3900 10.4
+90.8%
i7-7700K 5.5

Ryzen 9 3900 outperforms Core i7-7700K by 91% in TrueCrypt AES.

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Benchmark coverage: 13%

Ryzen 9 3900 7145
+22.7%
i7-7700K 5823

Ryzen 9 3900 outperforms Core i7-7700K by 23% in WinRAR 4.0.

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Benchmark coverage: 13%

Ryzen 9 3900 132
+114%
i7-7700K 62

Ryzen 9 3900 outperforms Core i7-7700K by 114% in x264 encoding pass 2.

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Benchmark coverage: 13%

Ryzen 9 3900 256
+11.1%
i7-7700K 230

Ryzen 9 3900 outperforms Core i7-7700K by 11% in x264 encoding pass 1.

Geekbench 4.0 64-bit multi-core

Benchmark coverage: 2%

Ryzen 9 3900 41058
+131%
i7-7700K 17800

Ryzen 9 3900 outperforms Core i7-7700K by 131% in Geekbench 4.0 64-bit multi-core.

Geekbench 4.0 64-bit single-core

Benchmark coverage: 2%

Ryzen 9 3900 5482
+0%
i7-7700K 5480

Gaming performance

Pros & cons summary


Performance score 19.93 6.24
Recency 9 October 2019 3 January 2017
Physical cores 12 4
Threads 24 8
Chip lithography 7 nm 14 nm
Power consumption (TDP) 65 Watt 91 Watt

The Ryzen 9 3900 is our recommended choice as it beats the Core i7-7700K in performance tests.


Should you still have questions on choice between Ryzen 9 3900 and Core i7-7700K, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3900
Ryzen 9 3900
Intel Core i7-7700K
Core i7-7700K

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