AMD Ryzen 7 3700X vs Intel Core i9-11900KB

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Price now 340$
Games supported 100%
AMD Ryzen 7 3700X
AMD Ryzen 7 3700X
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  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Intel Core i9-11900KB
Intel Core i9-11900KB
Buy
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Price now no data
Games supported 100%

General info

Comparing Ryzen 7 3700X and Core i9-11900KB processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rating264248
Place by popularity86no data
Value for money30.51no data
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 7no data
Architecture codenameMatisse (Zen 2) (2019−2020)Tiger Lake-H (2021)
Release date27 May 2019 (3 years ago)14 June 2021 (1 year ago)
Launch price (MSRP)$329$539
Current price$340 (1x MSRP)no data
Value for money

To get the index we compare the characteristics of the processors and their cost, taking into account the cost of other processors.

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Technical specs

Ryzen 7 3700X and Core i9-11900KB 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 cores8 (Octa-Core)8 (Octa-Core)
Threads1616
Base clock speed3.6 GHz3.3 GHz
Boost clock speed4.4 GHz4.9 GHz
L1 cache96K (per core)80K (per core)
L2 cache512K (per core)1.25 MB (per core)
L3 cache32 MB24 MB (shared)
Chip lithography7 nm10 nm SuperFin
Die sizeno data190 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors19,200 millionno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier++

Compatibility

Information on Ryzen 7 3700X and Core i9-11900KB 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 configuration1 (Uniprocessor)1
SocketAM4FCBGA1787
Thermal design power (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 3700X and Core i9-11900KB. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)no data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSXno data-
TSXno data+
Idle Statesno data+
Thermal Monitoringno data+
Flex Memory Accessno data+
Turbo Boost Max 3.0no data+

Security technologies

Ryzen 7 3700X and Core i9-11900KB technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 3700X and Core i9-11900KB are enumerated here.

AMD-V+no data
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 3700X and Core i9-11900KB. Depending on the motherboards, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR4
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/s51.2 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card--

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 3700X and Core i9-11900KB.

PCIe versionno data4.0
PCI Express lanesno data20

Benchmark performance

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


Overall 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 7 3700X 22.51
i9-11900KB 22.93
+1.9%
  • Passmark
  • Cinebench 10 32-bit single-core
  • Cinebench 10 32-bit multi-core
  • 3DMark06 CPU
  • wPrime 32
  • Cinebench 11.5 64-bit multi-core
  • Cinebench 15 64-bit multi-core
  • Cinebench 15 64-bit single-core
  • Cinebench 11.5 64-bit single-core
  • TrueCrypt AES
  • x264 encoding pass 2
  • x264 encoding pass 1
  • WinRAR 4.0

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: 69%

Ryzen 7 3700X 22694
i9-11900KB 23115
+1.9%

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 7 3700X 5839
i9-11900KB 9538
+63.3%

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: 20%

Ryzen 7 3700X 40439
i9-11900KB 50665
+25.3%

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 7 3700X 13815
i9-11900KB 14961
+8.3%

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Benchmark coverage: 19%

Ryzen 7 3700X 3.71
i9-11900KB 3.42
+8.5%

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 7 3700X 23
+5.1%
i9-11900KB 22

Cinebench Release 15 Multi Core (sometimes called Multi-Thread) is a variant of Cinebench R15 which uses all the processor threads.

Benchmark coverage: 14%

Ryzen 7 3700X 2092
+3.2%
i9-11900KB 2027

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: 14%

Ryzen 7 3700X 204
i9-11900KB 247
+21.1%

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 7 3700X 2.3
i9-11900KB 2.8
+23.5%

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 7 3700X 11
i9-11900KB 12
+1.8%

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 7 3700X 115
+8.5%
i9-11900KB 106

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 7 3700X 270
i9-11900KB 273
+1.1%

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 7 3700X 7503
i9-11900KB 9584
+27.7%

Gaming performance

Advantages and disadvantages


Performance rating 22.51 22.93
Recency 27 May 2019 14 June 2021
Cost $329 $539
Boost clock speed 4400 4900
Base clock speed 3600 3300
Chip lithography 7 nm 10 nm

Technical City couldn't decide between

AMD Ryzen 7 3700X
AMD Ryzen 7 3700X

and

Intel Core i9-11900KB
Intel Core i9-11900KB

The differences in performance seem too small.


Should you still have questions on choice between Ryzen 7 3700X and Core i9-11900KB, ask them in Comments section, and we shall answer.

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Competitors of Ryzen 7 3700X by Intel

We believe that the nearest equivalent to Ryzen 7 3700X from Intel is Core i9-10900X, which is nearly equal in speed and lower by 2 positions in our rating.

Intel Core i9-10900X Core i9 10900X
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Here are some closest Intel rivals to Ryzen 7 3700X:

Competitors of Core i9-11900KB by AMD

We believe that the nearest equivalent to Core i9-11900KB from AMD is Ryzen 7 PRO 3700, which is nearly equal in speed and lower by 5 positions in our rating.

AMD Ryzen 7 PRO 3700 Ryzen 7 PRO 3700
Compare

Here are some closest AMD rivals to Core i9-11900KB:

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

User rating

Here you can see how users rate the processors, as well as rate them yourself.


4.5 2870 ratings

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Questions and comments

Here you can ask a question about Ryzen 7 3700X or Core i9-11900KB, agree or disagree with our judgements, or report an error or mismatch.