AMD Ryzen 9 7945HX vs AMD Ryzen Threadripper 1900X

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CPU comparison with benchmarks


AMD Ryzen 9 7945HX CPU1 vs CPU2 AMD Ryzen Threadripper 1900X
AMD Ryzen 9 7945HX AMD Ryzen Threadripper 1900X

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 9 7945HX and the AMD Ryzen Threadripper 1900X 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 Ryzen Threadripper 1900X which has 8 CPU cores and was introduced in Q3/2017.
AMD Ryzen 9 (40) Family AMD Ryzen Threadripper (13)
AMD Ryzen 7045 (6) CPU group AMD Ryzen Threadripper 1000 (3)
6 Generation 1
Dragon Range (Zen 4) Architecture Whitehaven (Zen)
Mobile Segment Desktop / Server
-- Predecessor --
-- 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 Ryzen Threadripper 1900X clocks with 3.80 GHz (4.00 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

AMD Ryzen 9 7945HX Characteristic AMD Ryzen Threadripper 1900X
16 Cores 8
32 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
2.50 GHz Frequency 3.80 GHz
5.40 GHz Turbo Frequency (1 Core) 4.00 GHz
-- Turbo Frequency (All Cores) 4.00 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 Ryzen Threadripper 1900X
-- 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 Ryzen Threadripper 1900X supports a maximum of GB of memory with a maximum memory bandwidth of 85.4 GB/s enabled.

AMD Ryzen 9 7945HX Characteristic AMD Ryzen Threadripper 1900X
DDR5-5200 Memory DDR4-2666
128 GB Max. Memory
2 (Dual Channel) Memory channels 4 (Quad Channel)
83.2 GB/s Max. Bandwidth 85.4 GB/s
Yes ECC Yes
16.00 MB L2 Cache 4.00 MB
64.00 MB L3 Cache 16.00 MB
5.0 PCIe version 3.0
28 PCIe lanes 64
110.3 GB/s PCIe Bandwidth 63.0 GB/s

Thermal Management

The AMD Ryzen 9 7945HX has a TDP of 55 W. The TDP of the AMD Ryzen Threadripper 1900X is 180 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 9 7945HX Characteristic AMD Ryzen Threadripper 1900X
55 W TDP (PL1 / PBP) 180 W
-- TDP (PL2) --
75 W TDP up --
-- TDP down --
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 Ryzen Threadripper 1900X is at 20.00 MB. The processor is manufactured in 14 nm.

AMD Ryzen 9 7945HX Characteristic AMD Ryzen Threadripper 1900X
5 nm Technology 14 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 TR4 (SP3r2)
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 Q3/2017
-- Release price 549 $
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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:
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Average performance in benchmarks

⌀ Single core performance in 4 CPU benchmarks
AMD Ryzen 9 7945HX (100%)
AMD Ryzen Threadripper 1900X (49%)
⌀ Multi core performance in 6 CPU benchmarks
AMD Ryzen 9 7945HX (91%)
AMD Ryzen Threadripper 1900X (43%)

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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
986 (46%)

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 (100%)
AMD Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
6909 (35%)

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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
1136 (41%)

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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
5703 (35%)

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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
403 (53%)

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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
3678 (28%)

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 (100%)
AMD Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
17040 (29%)

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 (44%)
AMD Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
215.1 (100%)

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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
168 (54%)

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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
1709 (31%)

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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
0 (0%)

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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 GHz
0 (0%)

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 (100%)
AMD Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 4.00 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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
@ 0.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
0 (0%)
AMD Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
8C 16T @ 3.80 GHz
4699 (100%)

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 Ryzen Threadripper 1900X AMD Ryzen Threadripper 1900X
3.80 GHz
0 (0%)

Devices using this processor

AMD Ryzen 9 7945HX AMD Ryzen Threadripper 1900X
Unknown Unknown

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