Home GPU Comparison AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 6990M

AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (115.2GB/s vs 70.40GB/s)
320 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6990M Rebrand
1.28 TFLOPS
Radeon HD 6990M +25%
1.602 TFLOPS
VS

Graphics Card

Jul 2011
Release Date
Jul 2011
Vancouver
Generation
Vancouver
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

-
-
-
-
-
-
1100 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
70.40GB/s
Bandwidth
115.2GB/s

Render Config

14
Compute Units
14
-
-
-
800
Shading Units
1120
40
TMUs
56
16
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

12.80 GPixel/s
Pixel Rate
22.88 GPixel/s
32.00 GTexel/s
Texture Rate
40.04 GTexel/s
-
-
-
1280 GFLOPS
FP32 (float)
1.602 TFLOPS
-
-
-

Board Design

100W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

Broadway
GPU Name
Blackcomb
Broadway XTX
GPU Variant
Blackcomb XTX (216-0811030)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.04 billion
Transistors
1.7 billion
166 mm²
Die Size
212 mm²

Graphics Features

11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
5.0

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