AMD Ryzen 9 7900 vs AMD Ryzen 7 7700

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 9 7900 or AMD Ryzen 9 7900 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The AMD Ryzen 9 7900 features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q1/2023 and belongs to the 6 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 7900, you'll need a motherboard with a AM5 (LGA 1718) socket.
The AMD Ryzen 7 7700 features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2023 and belongs to the 6 generation of the AMD Ryzen 7 series.
To use the AMD Ryzen 7 7700, you'll need a motherboard with a AM5 (LGA 1718) socket.
AMD Ryzen 7000 Group AMD Ryzen 7000
6 Generation 6
AMD Ryzen 9 7900 Name AMD Ryzen 7 7700
Desktop / Server Segment Desktop / Server
AMD Ryzen 9 Family AMD Ryzen 7
 
 

CPU Cores and Base Frequency

The AMD Ryzen 9 7900 has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the AMD Ryzen 9 7900 is 3.7 GHz
and turbo frequency for one core is 5.4 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD Ryzen 7 7700 has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 7 7700 is 3.8 GHz
and turbo frequency for one core is 5.3 GHz.
None None 4.6 GHz
5.4 GHz Turbo Frequency (1 core) 5.3 GHz
normal Core architecture normal
3.7 GHz Frequency 3.8 GHz
12 CPU Cores 8
Yes Overclocking Yes
Yes Hyperthreading Yes
12x Zen 4 Cores 8x Zen 4
24 Threads 16
 
 

Internal Graphics

The AMD Ryzen 9 7900 has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 9 7900 uses the AMD Radeon Graphics (Raphael), which has 128 texture shaders
and 2 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD Ryzen 7 7700 has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 7 7700 uses the AMD Radeon Graphics (Raphael), which has 128 texture shaders
2.2 GHz GPU (Turbo) 2.2 GHz
5 nm Technology 5 nm
12 Direct X 12
8.0 GB Max. GPU Memory 8.0 GB
2 Execution units 2
Q3/2022 Release date Q3/2022
AMD Radeon Graphics (Raphael) GPU name AMD Radeon Graphics (Raphael)
128 Shaders 128
0.4 GHz GPU frequency 0.4 GHz
9 Generation 9
-- Max. displays --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

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.
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode VC-1 Decode
Decode / Encode JPEG Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode AVC Decode / Encode
No AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 83.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
DDR5-5200 Memory type DDR5-5200
83.2 GB/s Bandwidth 83.2 GB/s
Yes AES-NI Yes
Yes ECC Yes
pci PCIe pci
128.0 GB Max. Memory 128.0 GB
2 Memory channels 2
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
170 W TDP up 170 W
88 W TDP (PL2) 88 W
65 W TDP (PL1 / PBP) 65 W
95 °C Tjunction max 95 °C
 
 

Technical details

The AMD Ryzen 9 7900 is manufactured using a 5 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 64.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen 7 7700 is manufactured using a 5 nm process.
In total, this processor boasts a generous 32.0 MB cache.
AMD-V, SVM Virtualization AMD-V, SVM
5 nm Technology 5 nm
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, FMA3, AVX2, AVX512
-- Part Number 100-100000592BOX
Chiplet Chip design Chiplet
Q1/2023 Release date Q1/2023
-- Release price --
12.0 MB L2-Cache 8.0 MB
Technical data sheet Documents Technical data sheet
64.0 MB L3-Cache 32.0 MB
AM5 (LGA 1718) Socket AM5 (LGA 1718)
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
Raphael (Zen 4) Architecture Raphael (Zen 4)
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
49250
49250
AMD Ryzen 7 7700
8C 16T @ 3.8 GHz
35640
35640

Cinebench R23 (Multi-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
28905
28905
AMD Ryzen 7 7700
8C 16T @ 3.8 GHz
19540
19540

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
21140
21140
AMD Ryzen 7 7700
8C 16T @ 3.8 GHz
14026
14026

Geekbench 6 (Multi-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
16832
16832
AMD Ryzen 7 7700
8C 16T @ 3.8 GHz
14689
14689

Cinebench R20 (Multi-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
11088
11088
AMD Ryzen 7 7700
8C 16T @ 3.8 GHz
7845
7845

Geekbench 6 (Single-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
2798
2798
AMD Ryzen 7 7700
8C 16T @ 3.8 GHz
2769
2769

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
2206
2206
AMD Ryzen 7 7700
8C 16T @ 3.8 GHz
2177
2177

Cinebench R23 (Single-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
1964
1964
AMD Ryzen 7 7700
8C 16T @ 3.8 GHz
1932
1932

Cinebench R20 (Single-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
764
764
AMD Ryzen 7 7700
8C 16T @ 3.8 GHz
744
744