AMD Radeon HD 8870 OEM vs NVIDIA GeForce GTX 950 Low Power
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Mar 2016
Generation
Sea Islands
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1653 MHz
Base Clock
—
1026 MHz
Boost Clock
—
1190 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
153.6GB/s
105.8GB/s
Render Config
Compute Units
20
—
Shading Units
1280
768
TMUs
80
48
ROPs
32
32
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
1024 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
38.08 GPixel/s
Texture Rate
80.00 GTexel/s
57.12 GTexel/s
FP32 (float)
2.560 TFLOPS
1.828 TFLOPS
FP64 (double)
160.0 GFLOPS
57.12 GFLOPS
Graphics Processor
GPU Name
Pitcairn
GM206
GPU Variant
Pitcairn XT(215-0828047)
GM206-251-A1
Architecture
GCN 1.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
2.94 billion
Die Size
212 mm²
228 mm²
Board Design
TDP
175W
75W
Suggested PSU
450 W
250 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.4
CUDA
—
5.2
▲ Specs Compare
Data sourced from official specifications and benchmark tests.