AMD Radeon RX 6800 vs NVIDIA CMP 40HX
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Feb 2021
Generation
Navi II
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 1.0 x4
Clock Speeds
Base Clock
1700 MHz
1470 MHz
Boost Clock
2105 MHz
1650 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
448.0GB/s
Render Config
Compute Units
60
—
Shading Units
3840
2304
TMUs
240
144
ROPs
96
64
RT Cores
60
36
L1 Cache
128 KB per Array
64 KB (per SM)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
—
SM Count
—
36
Tensor Cores
—
288
Theoretical Performance
Pixel Rate
202.1 GPixel/s
105.6 GPixel/s
Texture Rate
505.2 GTexel/s
237.6 GTexel/s
FP16 (half)
32.33 TFLOPS
15.21 TFLOPS
FP32 (float)
16.17 TFLOPS
7.603 TFLOPS
FP64 (double)
1010 GFLOPS
237.6 GFLOPS
Graphics Processor
GPU Name
Navi 21
TU106
GPU Variant
Navi 21 XL(215-121000187)
TU106-100-A1
Architecture
RDNA 2.0
Turing
Foundry
TSMC
TSMC
Process Size
7 nm
12 nm
Transistors
26.8 billion
10.8 billion
Die Size
520 mm²
445 mm²
Board Design
TDP
250W
185W
Suggested PSU
600 W
450 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
1x 8-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
6.8
CUDA
—
7.5
Benchmark
3DMark Time Spy
16,182
—
3DMark Time Spy Extreme
7,771
—
3DMark Speed Way
3,062
—
Blender
—
1,174
▲ Specs Compare
Data sourced from official specifications and benchmark tests.