AMD Radeon HD 6930 vs AMD Radeon E8870
GPU · Specs Compare
Graphics Card
Release Date
Dec 2011
Sep 2015
Generation
Northern Islands
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1200 MHz
1500 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
153.6GB/s
96.00GB/s
Render Config
Compute Units
20
12
Shading Units
1280
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
24.00 GPixel/s
16.00 GPixel/s
Texture Rate
60.00 GTexel/s
48.00 GTexel/s
FP32 (float)
1.920 TFLOPS
1.536 TFLOPS
FP64 (double)
480.0 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Cayman
Saturn
GPU Variant
Cayman CE(215-0807105)
Saturn PRO
Architecture
TeraScale 3
GCN 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.64 billion
2.08 billion
Die Size
389 mm²
160 mm²
Board Design
TDP
186W
75W
Suggested PSU
450 W
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.