Ryzen 5 7645HX vs i7-3770K

VS

Aggregate performance score

Core i7-3770K
2012
4 cores / 8 threads, 77 Watt
4.08
Ryzen 5 7645HX
2023
6 cores / 12 threads, 45 Watt
16.91
+314%

Ryzen 5 7645HX outperforms Core i7-3770K by a whopping 314% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3770K and Ryzen 5 7645HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1411388
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.71no data
Market segmentDesktop processorLaptop
SeriesIntel Core i7 (Desktop)no data
Power efficiency5.0135.56
Architecture codenameIvy Bridge (2012−2013)Dragon Range (Zen4) (2023)
Release date29 April 2012 (12 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$294no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-3770K and Ryzen 5 7645HX 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 cores4 (Quad-Core)6 (Hexa-Core)
Threads812
Base clock speed3.5 GHz4 GHz
Boost clock speed3.9 GHz5 GHz
Bus typeDMIno data
Bus rate5 GT/sno data
Multiplier35no data
L1 cache64 KB (per core)64K (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache8 MB (shared)32 MB (shared)
Chip lithography22 nm5 nm
Die size160 mm271 mm2
Maximum core temperature67 °C100 °C
Maximum case temperature (TCase)67 °Cno data
Number of transistors1,400 million6570 Million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-3770K and Ryzen 5 7645HX 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 configuration11
SocketFCLGA1155FL1
Power consumption (TDP)77 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3770K and Ryzen 5 7645HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXno data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
FDI+no data
Precision Boost 2no data+

Security technologies

Core i7-3770K and Ryzen 5 7645HX technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
Identity Protection+-
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3770K and Ryzen 5 7645HX are enumerated here.

AMD-V-+
VT-d-no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3770K and Ryzen 5 7645HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-5200
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 4000AMD Radeon 610M (400 - 2200 MHz)
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.15 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-3770K and Ryzen 5 7645HX integrated GPUs.

Number of displays supported3no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3770K and Ryzen 5 7645HX.

PCIe version3.05.0
PCI Express lanes1628

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.

i7-3770K 4.08
Ryzen 5 7645HX 16.91
+314%

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.

i7-3770K 6473
Ryzen 5 7645HX 26868
+315%

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.

i7-3770K 712
Ryzen 5 7645HX 2656
+273%

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.

i7-3770K 2499
Ryzen 5 7645HX 11577
+363%

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.

i7-3770K 5536
Ryzen 5 7645HX 7717
+39.4%

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.

i7-3770K 22190
Ryzen 5 7645HX 44716
+102%

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.

i7-3770K 8
Ryzen 5 7645HX 26
+234%

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.

i7-3770K 3.9
Ryzen 5 7645HX 12.6
+223%

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.

i7-3770K 3698
Ryzen 5 7645HX 13352
+261%

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.  

i7-3770K 43
Ryzen 5 7645HX 136
+213%

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.  

i7-3770K 172
Ryzen 5 7645HX 328
+90.6%

Gaming performance

Pros & cons summary


Performance score 4.08 16.91
Integrated graphics card 1.18 2.85
Recency 29 April 2012 4 January 2023
Physical cores 4 6
Threads 8 12
Chip lithography 22 nm 5 nm
Power consumption (TDP) 77 Watt 45 Watt

Ryzen 5 7645HX has a 314.5% higher aggregate performance score, 141.5% faster integrated GPU, an age advantage of 10 years, 50% more physical cores and 50% more threads, a 340% more advanced lithography process, and 71.1% lower power consumption.

The Ryzen 5 7645HX is our recommended choice as it beats the Core i7-3770K in performance tests.

Note that Core i7-3770K is a desktop processor while Ryzen 5 7645HX is a notebook one.


Should you still have questions on choice between Core i7-3770K and Ryzen 5 7645HX, ask them in Comments section, and we shall answer.

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Intel Core i7-3770K
Core i7-3770K
AMD Ryzen 5 7645HX
Ryzen 5 7645HX

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Community ratings

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