NVIDIA GeForce GTX 950 vs AMD Radeon HD 6870 X2
GPU · Specs Compare
Graphics Card
Release Date
Aug 2015
Jul 2011
Generation
GeForce 900
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1024 MHz
—
Boost Clock
1188 MHz
—
Memory Clock
1653 MHz
1050 MHz
Memory
Memory Size
2GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
105.8GB/s
134.4GB/s
Render Config
Shading Units
768
1120
TMUs
48
56
ROPs
32
32
L1 Cache
48 KB (per SMM)
8 KB (per CU)
L2 Cache
1024 KB
512 KB
Compute Units
—
14
Theoretical Performance
Pixel Rate
38.02 GPixel/s
28.80 GPixel/s
Texture Rate
57.02 GTexel/s
50.40 GTexel/s
FP32 (float)
1.825 TFLOPS
2.016 TFLOPS
FP64 (double)
57.02 GFLOPS
—
Graphics Processor
GPU Name
GM206
Barts
GPU Variant
GM206-250-A1
Barts XT(215-0798000)
Architecture
Maxwell 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
2.94 billion
1.7 billion
Die Size
228 mm²
255 mm²
Board Design
TDP
90W
300W
Suggested PSU
250 W
700 W
Outputs
1x DVI1x HDMI 2.03x DisplayPort 1.4a
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
1x 6-pin
—
Graphics Features
DirectX
12 (12_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
5.2
—
Shader Model
6.4
5.0
Benchmark
3DMark Time Spy
1,903
—
3DMark Time Spy Extreme
396
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.