AMD Radeon RX 6800M vs NVIDIA RTX A4000H
GPU · Specs Compare
Graphics Card
Release Date
May 2021
Apr 2021
Generation
Mobility Radeon
Quadro Ampere
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2116 MHz
735 MHz
Boost Clock
2390 MHz
1560 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
12GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
256bit
Bandwidth
384.0GB/s
448.0GB/s
Render Config
Compute Units
40
—
Shading Units
2560
6144
TMUs
160
192
ROPs
64
96
RT Cores
40
48
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
3 MB
4 MB
L3 Cache
96 MB
—
SM Count
—
48
Tensor Cores
—
192
Theoretical Performance
Pixel Rate
153.0 GPixel/s
149.8 GPixel/s
Texture Rate
382.4 GTexel/s
299.5 GTexel/s
FP16 (half)
24.47 TFLOPS
19.17 TFLOPS
FP32 (float)
12.24 TFLOPS
19.17 TFLOPS
FP64 (double)
764.8 GFLOPS
299.5 GFLOPS
Graphics Processor
GPU Name
Navi 22
GA104
GPU Variant
Navi 22 XTM
GA104-???-A1
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
17.2 billion
17.4 billion
Die Size
335 mm²
392 mm²
Board Design
TDP
145W
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
Benchmark
3DMark Time Spy
11,498
—
3DMark Time Spy Extreme
5,418
—
3DMark Speed Way
2,096
—
Blender
1,568
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.