AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 950
GPU · Specs Compare
Graphics Card
Release Date
Jul 2011
Aug 2015
Generation
Northern Islands
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1050 MHz
1653 MHz
Base Clock
—
1024 MHz
Boost Clock
—
1188 MHz
Memory
Memory Size
1024MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
134.4GB/s
105.8GB/s
Render Config
Compute Units
14
—
Shading Units
1120
768
TMUs
56
48
ROPs
32
32
L1 Cache
8 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
1024 KB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
38.02 GPixel/s
Texture Rate
50.40 GTexel/s
57.02 GTexel/s
FP32 (float)
2.016 TFLOPS
1.825 TFLOPS
FP64 (double)
—
57.02 GFLOPS
Graphics Processor
GPU Name
Barts
GM206
GPU Variant
Barts XT(215-0798000)
GM206-250-A1
Architecture
TeraScale 2
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
1.7 billion
2.94 billion
Die Size
255 mm²
228 mm²
Board Design
TDP
300W
90W
Suggested PSU
700 W
250 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
—
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
6.4
CUDA
—
5.2
Benchmark
3DMark Time Spy
—
1,903
3DMark Time Spy Extreme
—
396
▲ Specs Compare
Data sourced from official specifications and benchmark tests.