AMD Radeon HD 6990M Rebrand vs ATI Mobility Radeon HD 3470
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 256MB VRAM Mobility Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990M Rebrand 's Advantages
Released 3 years and 6 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (70.40GB/s vs 6.400GB/s)
760 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6990M Rebrand
+2270%
1.28 TFLOPS
Mobility Radeon HD 3470
0.054 TFLOPS
Graphics Card
Jul 2011
Release Date
Jan 2008
Vancouver
Generation
M8x
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-II
Clock Speeds
-
-
-
-
-
-
1100 MHz
Memory Clock
400 MHz
Memory
1024MB
Memory Size
256MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
64bit
70.40GB/s
Bandwidth
6.400GB/s
Render Config
14
Compute Units
2
-
-
-
800
Shading Units
40
40
TMUs
4
16
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
64 KB
-
-
-
Theoretical Performance
12.80 GPixel/s
Pixel Rate
2.720 GPixel/s
32.00 GTexel/s
Texture Rate
2.720 GTexel/s
-
-
-
1280 GFLOPS
FP32 (float)
54.40 GFLOPS
-
-
-
Board Design
100W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
Broadway
GPU Name
M82
Broadway XTX
GPU Variant
M82-ME XT
(216-0707009)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.04 billion
Transistors
0.181 billion
166 mm²
Die Size
67 mm²
Graphics Features
11.2 (11_0)
DirectX
10.1
4.4
OpenGL
3.3
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
4.1
