AMD Radeon HD 6870 vs NVIDIA P106 090
GPU · Specs Compare
Graphics Card
Release Date
Oct 2010
Jul 2017
Generation
Northern Islands
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 1.0 x1
Clock Speeds
Memory Clock
1050 MHz
2002 MHz
Base Clock
—
1354 MHz
Boost Clock
—
1531 MHz
Memory
Memory Size
1024MB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
134.4GB/s
192.2GB/s
Render Config
Compute Units
14
—
Shading Units
1120
768
TMUs
56
48
ROPs
32
48
L1 Cache
8 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
1536 KB
SM Count
—
6
Theoretical Performance
Pixel Rate
28.80 GPixel/s
73.49 GPixel/s
Texture Rate
50.40 GTexel/s
73.49 GTexel/s
FP32 (float)
2.016 TFLOPS
2.352 TFLOPS
FP16 (half)
—
36.74 GFLOPS
FP64 (double)
—
73.49 GFLOPS
Graphics Processor
GPU Name
Barts
GP106
GPU Variant
Barts XT(215-0798000)
GP106-090-A1
Architecture
TeraScale 2
Pascal
Foundry
TSMC
TSMC
Process Size
40 nm
16 nm
Transistors
1.7 billion
4.4 billion
Die Size
255 mm²
200 mm²
Board Design
TDP
151W
75W
Suggested PSU
450 W
250 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
1x 6-pin
Graphics Features
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.8
CUDA
—
6.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.