AMD Radeon HD 6870 1600SP Edition vs AMD Radeon HD 8950M
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
May 2013
Generation
Northern Islands
Solar System
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1050 MHz
1375 MHz
Memory
Memory Size
1024MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
134.4GB/s
88.00GB/s
Render Config
Compute Units
20
12
Shading Units
1600
768
TMUs
80
48
ROPs
32
16
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
17.20 GPixel/s
Texture Rate
68.00 GTexel/s
51.60 GTexel/s
FP32 (float)
2.720 TFLOPS
1.651 TFLOPS
FP64 (double)
544.0 GFLOPS
103.2 GFLOPS
Graphics Processor
GPU Name
Cypress
Saturn
GPU Variant
Cypress XT(215-0735033)
Saturn XT
Architecture
TeraScale 2
GCN 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
2.08 billion
Die Size
334 mm²
160 mm²
Board Design
TDP
175W
100W
Suggested PSU
450 W
-
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
-
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.0
Vulkan
N/A
1.2
Shader Model
5.0
6.3