NVIDIA RTX A4 Mobile vs AMD Radeon RX 7900M
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Oct 2023
Generation
Quadro Ampere-M
Navi Mobile
Type
Professional
Mobile
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1297 MHz
1825 MHz
Boost Clock
1770 MHz
2090 MHz
Memory Clock
1750 MHz
2250 MHz
Memory
Memory Size
4GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
256bit
Bandwidth
224.0GB/s
576.0GB/s
Render Config
SM Count
16
—
Shading Units
2048
4608
TMUs
64
288
ROPs
32
192
Tensor Cores
64
—
RT Cores
16
72
L1 Cache
128 KB (per SM)
256 KB per Array
L2 Cache
2 MB
6 MB
Compute Units
—
72
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
56.64 GPixel/s
401.3 GPixel/s
Texture Rate
113.3 GTexel/s
601.9 GTexel/s
FP16 (half)
7.250 TFLOPS
77.05 TFLOPS
FP32 (float)
7.250 TFLOPS
38.52 TFLOPS
FP64 (double)
113.3 GFLOPS
1204 GFLOPS
Graphics Processor
GPU Name
GA107
Navi 31
Architecture
Ampere
RDNA 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
8.7 billion
57.7 billion
Die Size
200 mm²
529 mm²
GPU Variant
—
Navi 31
Board Design
TDP
Unknown
180W
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
1.3
1.3
CUDA
8.6
—
Shader Model
6.7
6.8
Benchmark
3DMark Time Spy
—
18,218
3DMark Time Spy Extreme
—
8,440
3DMark Speed Way
—
3,943
Blender
—
2,583
▲ Specs Compare
Data sourced from official specifications and benchmark tests.