AMD Radeon HD 6870 vs NVIDIA CMP 70HX
GPU Specs Compare
Graphics Card
Release Date
Oct 2010
Jan 2021
Generation
Northern Islands
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 1.0 x4
Clock Speeds
Memory Clock
1050 MHz
1188 MHz
Base Clock
-
1365 MHz
Boost Clock
-
1395 MHz
Memory
Memory Size
1024MB
8GB
Memory Type
GDDR5
GDDR6X
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
608.3GB/s
Render Config
Compute Units
14
-
Shading Units
1120
3840
TMUs
56
120
ROPs
32
64
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
-
30
Tensor Cores
-
120
RT Cores
-
30
Theoretical Performance
Pixel Rate
28.80 GPixel/s
89.28 GPixel/s
Texture Rate
50.40 GTexel/s
167.4 GTexel/s
FP32 (float)
2.016 TFLOPS
10.71 TFLOPS
FP16 (half)
-
10.71 TFLOPS
FP64 (double)
-
167.4 GFLOPS
Graphics Processor
GPU Name
Barts
GA104
GPU Variant
Barts XT(215-0798000)
GA104-100-A1
Architecture
TeraScale 2
Ampere
Foundry
TSMC
Samsung
Process Size
40 nm
8 nm
Transistors
1.7 billion
17.4 billion
Die Size
255 mm²
392 mm²
Board Design
TDP
151W
Unknown
Suggested PSU
450 W
200 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
1x 12-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.8
CUDA
-
8.6