AMD Radeon RX 6800S vs NVIDIA RTX A4000H
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Apr 2021
Generation
Mobility Radeon
Quadro Ampere
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1800 MHz
735 MHz
Boost Clock
2100 MHz
1560 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
256bit
Bandwidth
256.0GB/s
448.0GB/s
Render Config
Compute Units
32
—
Shading Units
2048
6144
TMUs
128
192
ROPs
64
96
RT Cores
32
48
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
4 MB
L3 Cache
32 MB
—
SM Count
—
48
Tensor Cores
—
192
Theoretical Performance
Pixel Rate
134.4 GPixel/s
149.8 GPixel/s
Texture Rate
268.8 GTexel/s
299.5 GTexel/s
FP16 (half)
17.20 TFLOPS
19.17 TFLOPS
FP32 (float)
8.602 TFLOPS
19.17 TFLOPS
FP64 (double)
537.6 GFLOPS
299.5 GFLOPS
Graphics Processor
GPU Name
Navi 23
GA104
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
11.06 billion
17.4 billion
Die Size
237 mm²
392 mm²
GPU Variant
—
GA104-???-A1
Board Design
TDP
100W
140W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Suggested PSU
—
300 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.7
CUDA
—
8.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.