AMD Ryzen 9 9900X vs AMD Ryzen 9 7900

Compared 2 processors: AMD Ryzen 9 9900X, vs AMD Ryzen 9 7900. Below are specs, tests, pros and cons for each device

Review

Key Specs AMD Ryzen 9 9900X and AMD Ryzen 9 7900
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 9900X
2232
AMD Ryzen 9 7900
1959
Cinebench R23 (Multi-Core)
AMD Ryzen 9 9900X
33042
AMD Ryzen 9 7900
24444
Cinebench 2024
Cinebench 2024 (Single-Core)
AMD Ryzen 9 9900X
134
AMD Ryzen 9 7900
116
Cinebench 2024 (Single-Core)
AMD Ryzen 9 9900X
1740
AMD Ryzen 9 7900
2119
PassMark
PassMark CPU (Single-Core)
AMD Ryzen 9 9900X
4682
AMD Ryzen 9 7900
4142
PassMark CPU (Multi-Core)
AMD Ryzen 9 9900X
54814
AMD Ryzen 9 7900
48540
Integer Math181.6 GOps/s165.2 GOps/s
Floating-Point Math120.4 GOps/s98.4 GOps/s
Prime Number Search433 M primes/s381 M primes/s
Random String Sort72.5 M strings/s68.5 M strings/s
Data Encryption33.5 GB/s34.9 GB/s
Data Compression686.1 MB/s581 MB/s
Physics3397 frames/s3060 frames/s
Extended Instructions554 M matrices/s425 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
AMD Ryzen 9 9900X
3340
AMD Ryzen 9 7900
2947
Geekbench 6 (Multi-Core)
AMD Ryzen 9 9900X
19543
AMD Ryzen 9 7900
17401
File Compression1510 MB/s1690 MB/s
Clang Compilation191.4 KLines/s149.9 KLines/s
HTML5 Browser361.8 pages/s341.4 pages/s
PDF Rendering534 MP/sec481.5 MP/sec
Text Processing350.5 pages/s299.8 pages/s
Background Blur82.7 frames/s70.3 frames/s
Photo Processing118.4 frames/s119.8 frames/s
Ray Tracing45.5 MP/sec31 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
AMD Ryzen 9 9900X
454.53
AMD Ryzen 9 7900
397.08

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 162.9 PPW 267.7 PPW
PassMark CPU / W 456.8 PPW 746.8 PPW
Cinebench 2024 / W 14.5 PPW 32.6 PPW
Blender / W 3.79 PPW 6.11 PPW

General Info

Manufacturer AMD AMD
Announced June, 3, 2024 January, 10, 2023
Type PC use PC use
Architecture x86-64 x86-64
Codename Zen 5 (Granite Ridge) Zen 4 (Raphael)
Integrated GPU Radeon Graphics Radeon Graphics (Ryzen 7000)

Processor

Performance cores
Cores 12 12
Threads 24 24
Frequency 4.4 GHz 3.7 GHz
Max Frequency (Turbo) 5.6 GHz 5.4 GHz
General
Cores count1212
Threads count2424
Bus frequency100 MHz100 MHz
Multiplier44x37x
L1 cache80 KB/core64 KB/core
L2 cache1000 KB/core1000 KB/core
L3 Cache64 MB total64 MB total
Unlocked multiplierYesYes

Package

Transistor count n/a 13.1 billion
Process tech. 4 nm 5 nm
Power (TDP) 120 W 65 W
Max TDP (Boost) n/a 142 W
Socket AM5 AM5
Critical temp. 95 °C 95 °C

Memory Support

Memory Type DDR5-5600 DDR5-5200
Max Size 192 GB 128 GB
Channels 2 2
ECC support Yes Yes

Other

PCIe Version 5.0 5.0
Max PCIe Lanes 28 28

Results

After analyzing the data, we consider AMD Ryzen 9 9900X the clear winner in this comparison.

Survey

Which CPU would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below