AMD Radeon HD 7950 Monica BIOS 1 vs AMD Radeon HD 6990M
GPU · Specs Compare
Graphics Card
Release Date
Jan 2012
Jul 2011
Generation
Southern Islands
Vancouver
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1250 MHz
900 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
115.2GB/s
Render Config
Compute Units
24
14
Shading Units
1536
1120
TMUs
96
56
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
768 KB
512 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
22.88 GPixel/s
Texture Rate
88.80 GTexel/s
40.04 GTexel/s
FP32 (float)
2.842 TFLOPS
1.602 TFLOPS
FP64 (double)
710.4 GFLOPS
—
Graphics Processor
GPU Name
Tahiti
Blackcomb
GPU Variant
Tahiti PRO(215-0821056)
Blackcomb XTX(216-0811030)
Architecture
GCN 1.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
4.313 billion
1.7 billion
Die Size
352 mm²
212 mm²
Board Design
TDP
185W
100W
Suggested PSU
450 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
1.2
1.2
Vulkan
1.2
N/A
Shader Model
5.1
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.