Home GPU Comparison AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 7670A

AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 7670A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1024MB VRAM Radeon HD 7670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages
Larger VRAM bandwidth (70.40GB/s vs 64.00GB/s)
320 additional rendering cores
AMD Radeon HD 7670A 's Advantages
Released 6 months late
Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)
Radeon HD 6990M Rebrand +122%
1.28 TFLOPS
Radeon HD 7670A
0.576 TFLOPS
VS

Graphics Card

Jul 2011
Release Date
Jan 2012
Vancouver
Generation
All-In-One
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-A (3.0)

Clock Speeds

-
-
-
-
-
-
1100 MHz
Memory Clock
1000 MHz

Memory

1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
70.40GB/s
Bandwidth
64.00GB/s

Render Config

14
Compute Units
6
-
-
-
800
Shading Units
480
40
TMUs
24
16
ROPs
8
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

12.80 GPixel/s
Pixel Rate
4.800 GPixel/s
32.00 GTexel/s
Texture Rate
14.40 GTexel/s
-
-
-
1280 GFLOPS
FP32 (float)
576.0 GFLOPS
-
-
-

Board Design

100W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Broadway
GPU Name
Turks
Broadway XTX
GPU Variant
Turks XT (215-0803000)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.04 billion
Transistors
0.716 billion
166 mm²
Die Size
118 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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