AMD Radeon RX 6800 3456SP vs NVIDIA CMP 70HX
GPU Specs Compare
Graphics Card
Release Date
Unknown
Jan 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
1365 MHz
Boost Clock
2250 MHz
1395 MHz
Memory Clock
2000 MHz
1188 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR6X
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
608.3GB/s
Render Config
Compute Units
54
-
Shading Units
3456
3840
TMUs
216
120
ROPs
96
64
RT Cores
54
30
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
-
SM Count
-
30
Tensor Cores
-
120
Theoretical Performance
Pixel Rate
216.0 GPixel/s
89.28 GPixel/s
Texture Rate
486.0 GTexel/s
167.4 GTexel/s
FP16 (half)
31.10 TFLOPS
10.71 TFLOPS
FP32 (float)
15.55 TFLOPS
10.71 TFLOPS
FP64 (double)
972.0 GFLOPS
167.4 GFLOPS
Graphics Processor
GPU Name
Navi 21
GA104
GPU Variant
Navi 21 ES(215-121000066)
GA104-100-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
Unknown
Suggested PSU
600 W
200 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
1x 12-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
6.8
6.8
CUDA
-
8.6