AMD Radeon HD 6870 X2 vs NVIDIA P102 100
GPU · Specs Compare
Graphics Card
Release Date
Jul 2011
Feb 2018
Generation
Northern Islands
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x4
Clock Speeds
Memory Clock
1050 MHz
1376 MHz
Base Clock
—
1582 MHz
Boost Clock
—
1683 MHz
Memory
Memory Size
1024MB
5GB
Memory Type
GDDR5
GDDR5X
Memory Bus
256bit
320bit
Bandwidth
134.4GB/s
440.3GB/s
Render Config
Compute Units
14
—
Shading Units
1120
3200
TMUs
56
200
ROPs
32
80
L1 Cache
8 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
0 MB
SM Count
—
25
Theoretical Performance
Pixel Rate
28.80 GPixel/s
134.6 GPixel/s
Texture Rate
50.40 GTexel/s
336.6 GTexel/s
FP32 (float)
2.016 TFLOPS
10.77 TFLOPS
FP16 (half)
—
168.3 GFLOPS
FP64 (double)
—
336.6 GFLOPS
Graphics Processor
GPU Name
Barts
GP102
GPU Variant
Barts XT(215-0798000)
GP102-100-A1
Architecture
TeraScale 2
Pascal
Foundry
TSMC
TSMC
Process Size
40 nm
16 nm
Transistors
1.7 billion
11.8 billion
Die Size
255 mm²
471 mm²
Board Design
TDP
300W
250W
Suggested PSU
700 W
600 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
—
2x 8-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
6.4
CUDA
—
6.1
Benchmark
3DMark Time Spy
—
7,042
3DMark Time Spy Extreme
—
3,817
▲ Specs Compare
Data sourced from official specifications and benchmark tests.