NVIDIA GeForce RTX 3080 12 GB vs AMD Radeon RX 6800S
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2022
Generation
GeForce 30
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1260 MHz
1800 MHz
Boost Clock
1710 MHz
2100 MHz
Memory Clock
1188 MHz
2000 MHz
Memory
Memory Size
12GB
8GB
Memory Type
GDDR6X
GDDR6
Memory Bus
384bit
128bit
Bandwidth
912.4GB/s
256.0GB/s
Render Config
SM Count
70
-
Shading Units
8960
2048
TMUs
280
128
ROPs
96
64
Tensor Cores
280
-
RT Cores
70
32
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
6 MB
2 MB
Compute Units
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
134.4 GPixel/s
Texture Rate
478.8 GTexel/s
268.8 GTexel/s
FP16 (half)
30.64 TFLOPS
17.20 TFLOPS
FP32 (float)
30.64 TFLOPS
8.602 TFLOPS
FP64 (double)
478.8 GFLOPS
537.6 GFLOPS
Graphics Processor
GPU Name
GA102
Navi 23
GPU Variant
GA102-220-A1
-
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
28.3 billion
11.06 billion
Die Size
628 mm²
237 mm²
Board Design
TDP
350W
100W
Suggested PSU
750 W
-
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 12-pin
None
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
8.6
-
Shader Model
6.8
6.5