NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon RX 7950 XT
GPU · Specs Compare
Graphics Card
Release Date
Jan 2021
Unknown
Generation
GeForce 30 Mobile
Navi III
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1110 MHz
2000 MHz
Boost Clock
1545 MHz
3000 MHz
Memory Clock
1750 MHz
2500 MHz
Memory
Memory Size
8GB
20GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
320bit
Bandwidth
448.0GB/s
800.0GB/s
Render Config
SM Count
48
—
Shading Units
6144
5376
TMUs
192
336
ROPs
96
192
Tensor Cores
192
—
RT Cores
48
84
L1 Cache
128 KB (per SM)
256 KB per Array
L2 Cache
4 MB
6 MB
Compute Units
—
84
L3 Cache
—
80 MB
Theoretical Performance
Pixel Rate
148.3 GPixel/s
576.0 GPixel/s
Texture Rate
296.6 GTexel/s
1008 GTexel/s
FP16 (half)
18.98 TFLOPS
129.0 TFLOPS
FP32 (float)
18.98 TFLOPS
64.51 TFLOPS
FP64 (double)
296.6 GFLOPS
2.016 TFLOPS
Graphics Processor
GPU Name
GA104
Navi 31
GPU Variant
GA104-775-A1
Navi 31 XT+
Architecture
Ampere
RDNA 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
17.4 billion
57.7 billion
Die Size
392 mm²
529 mm²
Board Design
TDP
115W
300W
Outputs
No outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
None
2x 8-pin
Suggested PSU
—
700 W
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
6.6
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.