AMD Radeon RX 6800 vs NVIDIA RTX A4000H
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Apr 2021
Generation
Navi II
Quadro Ampere
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1700 MHz
735 MHz
Boost Clock
2105 MHz
1560 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
448.0GB/s
Render Config
Compute Units
60
-
Shading Units
3840
6144
TMUs
240
192
ROPs
96
96
RT Cores
60
48
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
-
SM Count
-
48
Tensor Cores
-
192
Theoretical Performance
Pixel Rate
202.1 GPixel/s
149.8 GPixel/s
Texture Rate
505.2 GTexel/s
299.5 GTexel/s
FP16 (half)
32.33 TFLOPS
19.17 TFLOPS
FP32 (float)
16.17 TFLOPS
19.17 TFLOPS
FP64 (double)
1010 GFLOPS
299.5 GFLOPS
Graphics Processor
GPU Name
Navi 21
GA104
GPU Variant
Navi 21 XL(215-121000187)
GA104-???-A1
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
26.8 billion
17.4 billion
Die Size
520 mm²
392 mm²
Board Design
TDP
250W
140W
Suggested PSU
600 W
300 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
4x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 6-pin
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
16,182
-
3DMark Time Spy Extreme
7,771
-
3DMark Speed Way
3,062
-