AMD Ryzen 9 7945HX vs AMD Ryzen 9 8945HX

Compared 2 processors: AMD Ryzen 9 7945HX, vs AMD Ryzen 9 8945HX. Below are specs, tests, pros and cons for each device

Review

Key Specs AMD Ryzen 9 7945HX and AMD Ryzen 9 8945HX
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Benchmarks

CPU performance comparison across tasks
Cinebench R23
Cinebench R23 (Single-Core)
AMD Ryzen 9 7945HX
1951
AMD Ryzen 9 8945HX
2002
Cinebench R23 (Multi-Core)
AMD Ryzen 9 7945HX
34333
AMD Ryzen 9 8945HX
34982
Cinebench 2024
Cinebench 2024 (Single-Core)
AMD Ryzen 9 7945HX
113
AMD Ryzen 9 8945HX
113
Cinebench 2024 (Single-Core)
AMD Ryzen 9 7945HX
1715
AMD Ryzen 9 8945HX
1720
PassMark
PassMark CPU (Single-Core)
AMD Ryzen 9 7945HX
4062
AMD Ryzen 9 8945HX
4036
PassMark CPU (Multi-Core)
AMD Ryzen 9 7945HX
54927
AMD Ryzen 9 8945HX
55932
Integer Math209.3 GOps/sn/a
Floating-Point Math124.6 GOps/sn/a
Prime Number Search286 M primes/sn/a
Random String Sort81.9 M strings/sn/a
Data Encryption43.1 GB/sn/a
Data Compression714 MB/sn/a
Physics2497 frames/sn/a
Extended Instructions524 M matrices/sn/a
GeekBench v6
Geekbench 6 (Single-Core)
AMD Ryzen 9 7945HX
2792
AMD Ryzen 9 8945HX
2767
Geekbench 6 (Multi-Core)
AMD Ryzen 9 7945HX
15923
AMD Ryzen 9 8945HX
16761
File Compression1290 MB/sn/a
Clang Compilation194.3 KLines/sn/a
HTML5 Browser247.1 pages/sn/a
PDF Rendering430.6 MP/secn/a
Text Processing280.3 pages/sn/a
Background Blur61.1 frames/sn/a
Photo Processing94.7 frames/sn/a
Ray Tracing44.4 MP/secn/a

Blender

Real-world 3D modeling test
Blender CPU
AMD Ryzen 9 7945HX
472.26
AMD Ryzen 9 8945HX
476.21

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 212.3 PPW 304.7 PPW
PassMark CPU / W 732.4 PPW 1016.9 PPW
Cinebench 2024 / W 22.9 PPW 31.3 PPW
Blender / W 6.3 PPW 8.66 PPW

General Info

Manufacturer AMD AMD
Announced January, 4, 2023 April, 1, 2025
Type Laptop use Laptop use
Architecture x86-64 x86-64
Codename Zen 4 (Dragon Range) Zen 4 (Dragon Range)
Integrated GPU Radeon 610M Radeon 610M

Processor

Performance cores
Cores 16 16
Threads 32 32
Frequency 2.5 GHz 2.5 GHz
Max Frequency (Turbo) 5.4 GHz 5.4 GHz
General
Cores count1616
Threads count3232
Bus frequency100 MHz100 MHz
Multiplier25x24x
L1 cache64 KB/core64 KB/core
L2 cache1000 KB/core1000 KB/core
L3 Cache64 MB total64 MB total
Unlocked multiplierYesYes

Package

Transistor count 13.1 billion n/a
Process tech. 5 nm 5 nm
Power (TDP) 55-75 W 55 W
Max TDP (Boost) n/a 75 W
Socket FL1 FL1
Critical temp. 100 °C 100 °C

Memory Support

Memory Type DDR5-5200 DDR5-5200
Max Size 64 GB 64 GB
Channels 2 2
ECC support No No

Other

PCIe Version 5.0 5.0
Max PCIe Lanes 28 28
Tech n/a - Compute: AVX-512, BMI1, BMI2, F16C, SHA
- Performance: Precision Boost 2, SMT
- Virtualization: AMD-V
- Security: EVP, NX-Bit, SMAP, SMEP

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which CPU would you pick?
1 (50%)
1 (50%)
Total Votes: 2

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