AMD Radeon RX 7900M vs AMD Radeon RX 6600 XT
GPU · Specs Compare
Graphics Card
Release Date
Oct 2023
Jul 2021
Generation
Navi Mobile
Navi II
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1825 MHz
1968 MHz
Boost Clock
2090 MHz
2589 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
128bit
Bandwidth
576.0GB/s
256.0GB/s
Render Config
Compute Units
72
32
Shading Units
4608
2048
TMUs
288
128
ROPs
192
64
RT Cores
72
32
L1 Cache
256 KB per Array
128 KB per Array
L2 Cache
6 MB
2 MB
L3 Cache
64 MB
32 MB
Theoretical Performance
Pixel Rate
401.3 GPixel/s
165.7 GPixel/s
Texture Rate
601.9 GTexel/s
331.4 GTexel/s
FP16 (half)
77.05 TFLOPS
21.21 TFLOPS
FP32 (float)
38.52 TFLOPS
10.60 TFLOPS
FP64 (double)
1204 GFLOPS
662.8 GFLOPS
Graphics Processor
GPU Name
Navi 31
Navi 23
GPU Variant
Navi 31
Navi 23 XT(215-130000006)
Architecture
RDNA 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
57.7 billion
11.06 billion
Die Size
529 mm²
237 mm²
Board Design
TDP
180W
160W
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.3
Shader Model
6.8
6.7
Benchmark
3DMark Time Spy
18,218
9,656
3DMark Time Spy Extreme
8,440
4,399
3DMark Speed Way
3,943
1,675
Blender
2,583
1,213
Battlefield 5 1080p
—
144
Shadow of the Tomb Raider 2160p
—
38
Cyberpunk 2077 2160p
—
29
Shadow of the Tomb Raider 1440p
—
72
Cyberpunk 2077 1440p
—
36
Shadow of the Tomb Raider 1080p
—
119
Battlefield 5 2160p
—
58
Cyberpunk 2077 1080p
—
58
Battlefield 5 1440p
—
111
GTA 5 2160p
—
61
GTA 5 1440p
—
82
GTA 5 1080p
—
149
▲ Specs Compare
Data sourced from official specifications and benchmark tests.