NVIDIA GeForce RTX 5090 Mobile vs AMD Radeon RX 7900M
GPU · Specs Compare
Graphics Card
Release Date
Mar 2025
Oct 2023
Generation
GeForce 50 Mobile
Navi Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
990 MHz
1825 MHz
Boost Clock
1515 MHz
2090 MHz
Memory Clock
1750 MHz
2250 MHz
Memory
Memory Size
24GB
16GB
Memory Type
GDDR7
GDDR6
Memory Bus
256bit
256bit
Bandwidth
896.0GB/s
576.0GB/s
Render Config
SM Count
82
—
Shading Units
10496
4608
TMUs
328
288
ROPs
112
192
Tensor Cores
328
—
RT Cores
82
72
L1 Cache
128 KB (per SM)
256 KB per Array
L2 Cache
64 MB
6 MB
Compute Units
—
72
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
169.7 GPixel/s
401.3 GPixel/s
Texture Rate
496.9 GTexel/s
601.9 GTexel/s
FP16 (half)
31.80 TFLOPS
77.05 TFLOPS
FP32 (float)
31.80 TFLOPS
38.52 TFLOPS
FP64 (double)
496.9 GFLOPS
1204 GFLOPS
Graphics Processor
GPU Name
GB203
Navi 31
GPU Variant
GN22-X11-A1
Navi 31
Architecture
Blackwell 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
45.6 billion
57.7 billion
Die Size
378 mm²
529 mm²
Board Design
TDP
95W
180W
Suggested PSU
550 W
—
Outputs
Portable Device Dependent
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.2
Vulkan
1.4
1.3
CUDA
12.0
—
Shader Model
6.8
6.8
Benchmark
Blender
8,089
2,583
3DMark Time Spy
—
18,218
3DMark Time Spy Extreme
—
8,440
3DMark Speed Way
—
3,943
▲ Specs Compare
Data sourced from official specifications and benchmark tests.