AMD Ryzen 9 7845HX vs AMD Ryzen 9 8945HX

Compared 2 processors: AMD Ryzen 9 7845HX, vs AMD Ryzen 9 8945HX. Below are specs, tests, pros and cons for each device

Review

Key Specs AMD Ryzen 9 7845HX 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 7845HX
1871
AMD Ryzen 9 8945HX
2002
Cinebench R23 (Multi-Core)
AMD Ryzen 9 7845HX
26647
AMD Ryzen 9 8945HX
34982
Cinebench 2024
Cinebench 2024 (Single-Core)
AMD Ryzen 9 7845HX
110
AMD Ryzen 9 8945HX
113
Cinebench 2024 (Single-Core)
AMD Ryzen 9 7845HX
1424
AMD Ryzen 9 8945HX
1720
PassMark
PassMark CPU (Single-Core)
AMD Ryzen 9 7845HX
3942
AMD Ryzen 9 8945HX
4036
PassMark CPU (Multi-Core)
AMD Ryzen 9 7845HX
45262
AMD Ryzen 9 8945HX
55932
Integer Math156.2 GOps/sn/a
Floating-Point Math95 GOps/sn/a
Prime Number Search328 M primes/sn/a
Random String Sort63.4 M strings/sn/a
Data Encryption33.1 GB/sn/a
Data Compression548.1 MB/sn/a
Physics2332 frames/sn/a
Extended Instructions414 M matrices/sn/a
GeekBench v6
Geekbench 6 (Single-Core)
AMD Ryzen 9 7845HX
2927
AMD Ryzen 9 8945HX
2767
Geekbench 6 (Multi-Core)
AMD Ryzen 9 7845HX
15129
AMD Ryzen 9 8945HX
16761
File Compression1810 MB/sn/a
Clang Compilation120.9 KLines/sn/a
HTML5 Browser312.5 pages/sn/a
PDF Rendering392.8 MP/secn/a
Text Processing269.8 pages/sn/a
Background Blur64.2 frames/sn/a
Photo Processing107.2 frames/sn/a
Ray Tracing16.5 MP/secn/a

Blender

Real-world 3D modeling test
Blender CPU
AMD Ryzen 9 7845HX
355.47
AMD Ryzen 9 8945HX
476.21

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 201.7 PPW 304.7 PPW
PassMark CPU / W 603.5 PPW 1016.9 PPW
Cinebench 2024 / W 19 PPW 31.3 PPW
Blender / W 4.74 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)
Model number 7845HX n/a
Integrated GPU Radeon 610M Radeon 610M

Processor

Performance cores
Cores 12 16
Threads 24 32
Frequency 3.0 GHz 2.5 GHz
Max Frequency (Turbo) 5.2 GHz 5.4 GHz
General
Cores count1216
Threads count2432
Bus frequency100 MHz100 MHz
Multiplier30x24x
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) 45-75 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

After analyzing the data, we consider AMD Ryzen 9 8945HX the clear winner in this comparison.

Survey

Which CPU would you pick?
5 (55.56%)
4 (44.44%)
Total Votes: 9

User comments

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