NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon RX 6800 3456SP
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Unknown
Generation
GeForce 40 Mobile
Navi II
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1290 MHz
1700 MHz
Boost Clock
1665 MHz
2250 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
12GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
512.0GB/s
Render Config
SM Count
58
—
Shading Units
7424
3456
TMUs
232
216
ROPs
80
96
Tensor Cores
232
—
RT Cores
58
54
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
48 MB
4 MB
Compute Units
—
54
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
133.2 GPixel/s
216.0 GPixel/s
Texture Rate
386.3 GTexel/s
486.0 GTexel/s
FP16 (half)
24.72 TFLOPS
31.10 TFLOPS
FP32 (float)
24.72 TFLOPS
15.55 TFLOPS
FP64 (double)
386.3 GFLOPS
972.0 GFLOPS
Graphics Processor
GPU Name
AD104
Navi 21
GPU Variant
GN21-X9
Navi 21 ES(215-121000066)
Architecture
Ada Lovelace
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
35.8 billion
26.8 billion
Die Size
294 mm²
520 mm²
Board Design
TDP
110W
250W
Outputs
Portable Device Dependent
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
None
2x 8-pin
Suggested PSU
—
600 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.9
—
Shader Model
6.8
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.