AMD Radeon HD 6930 vs AMD Radeon HD 6990M
GPU · Specs Compare
Graphics Card
Release Date
Dec 2011
Jul 2011
Generation
Northern Islands
Vancouver
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1200 MHz
900 MHz
Memory
Memory Size
1024MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
115.2GB/s
Render Config
Compute Units
20
14
Shading Units
1280
1120
TMUs
80
56
ROPs
32
32
L1 Cache
8 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
24.00 GPixel/s
22.88 GPixel/s
Texture Rate
60.00 GTexel/s
40.04 GTexel/s
FP32 (float)
1.920 TFLOPS
1.602 TFLOPS
FP64 (double)
480.0 GFLOPS
—
Graphics Processor
GPU Name
Cayman
Blackcomb
GPU Variant
Cayman CE(215-0807105)
Blackcomb XTX(216-0811030)
Architecture
TeraScale 3
TeraScale 2
Foundry
TSMC
TSMC
Process Size
40 nm
40 nm
Transistors
2.64 billion
1.7 billion
Die Size
389 mm²
212 mm²
Board Design
TDP
186W
100W
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)
11.2 (11_0)
OpenGL
4.4
4.4
OpenCL
1.2
1.2
Vulkan
N/A
N/A
Shader Model
5.0
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.