AMD Ryzen 9 7945HX vs AMD EPYC 7763

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CPU comparison with benchmarks


AMD Ryzen 9 7945HX CPU1 vs CPU2 AMD EPYC 7763
AMD Ryzen 9 7945HX AMD EPYC 7763

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 9 7945HX and the AMD EPYC 7763 and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 9 7945HX 16 core processor released in Q1/2023 with the AMD EPYC 7763 which has 64 CPU cores and was introduced in Q1/2021.
AMD Ryzen 9 (40) Family AMD EPYC (129)
AMD Ryzen 7045 (6) CPU group AMD EPYC 7003 (29)
6 Generation 3
Dragon Range (Zen 4) Architecture Milan (Zen 3)
Mobile Segment Desktop / Server
-- Predecessor AMD EPYC 7662
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 9 7945HX is a 16 core processor with a clock frequency of 2.50 GHz (5.40 GHz). The processor can compute 32 threads at the same time. The AMD EPYC 7763 clocks with 2.45 GHz (3.50 GHz), has 64 CPU cores and can calculate 128 threads in parallel.

AMD Ryzen 9 7945HX Characteristic AMD EPYC 7763
16 Cores 64
32 Threads 128
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? No
2.50 GHz Frequency 2.45 GHz
5.40 GHz Turbo Frequency (1 Core) 3.50 GHz
-- Turbo Frequency (All Cores) 3.20 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD Ryzen 9 7945HX Characteristic AMD EPYC 7763
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

AMD Radeon 610M GPU no iGPU
0.40 GHz GPU frequency --
2.20 GHz GPU (Turbo) --
9 GPU Generation --
6 nm Technology
3 Max. displays
2 Compute units --
128 Shader --
Yes Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory --
12 DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

AMD Radeon 610M GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 128 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 9 7945HX, while the AMD EPYC 7763 supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 204.8 GB/s enabled.

AMD Ryzen 9 7945HX Characteristic AMD EPYC 7763
DDR5-5200 Memory DDR4-3200
128 GB Max. Memory 4096 GB
2 (Dual Channel) Memory channels 8 (Octa Channel)
83.2 GB/s Max. Bandwidth 204.8 GB/s
Yes ECC Yes
16.00 MB L2 Cache --
64.00 MB L3 Cache 256.00 MB
5.0 PCIe version 4.0
28 PCIe lanes 128
110.3 GB/s PCIe Bandwidth 252.0 GB/s

Thermal Management

The AMD Ryzen 9 7945HX has a TDP of 55 W. The TDP of the AMD EPYC 7763 is 280 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 9 7945HX Characteristic AMD EPYC 7763
55 W TDP (PL1 / PBP) 280 W
-- TDP (PL2) --
75 W TDP up --
-- TDP down 225 W
100 °C Tjunction max. --

Technical details

The AMD Ryzen 9 7945HX has 80.00 MB cache and is manufactured in 5 nm. The cache of AMD EPYC 7763 is at 256.00 MB. The processor is manufactured in 7 nm.

AMD Ryzen 9 7945HX Characteristic AMD EPYC 7763
5 nm Technology 7 nm
Chiplet Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FL1 Socket SP3
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2023 Release date Q1/2021
-- Release price 7890 $
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Rate these processors

Here you can rate the AMD Ryzen 9 7945HX to help other visitors make their purchasing decisions. The average rating is 4.5 stars (62 ratings). Rate now:
Here you can rate the AMD EPYC 7763 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
AMD Ryzen 9 7945HX (100%)
AMD EPYC 7763 (62%)
⌀ Multi core performance in 4 CPU benchmarks
AMD Ryzen 9 7945HX (67%)
AMD EPYC 7763 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
1955 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.50 GHz
1298 (66%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
32788 (53%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
61455 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
2130 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.50 GHz
1305 (61%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
19472 (45%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
43120 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
2774 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.50 GHz
1612 (58%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
16214 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
16042 (99%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
58842 (68%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
85923 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
114 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.50 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
1669 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.50 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
758 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.50 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
12914 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
AMD Radeon 610M @ 2.20 GHz
443 (100%)
AMD EPYC 7763 AMD EPYC 7763
@ 0.00 GHz
0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
94 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
312 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.50 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
5597 (100%)
AMD EPYC 7763 AMD EPYC 7763
64C 128T @ 3.20 GHz
0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
32,788 CB R23 MC @ 134 W
245 (100%)
AMD EPYC 7763 AMD EPYC 7763
2.45 GHz
0 (0%)

Devices using this processor

AMD Ryzen 9 7945HX AMD EPYC 7763
Unknown Unknown

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