Home GPU Comparison AMD Radeon HD 7670M vs AMD Radeon HD 7470A

AMD Radeon HD 7670M vs AMD Radeon HD 7470A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7670M and 512MB VRAM Radeon HD 7470A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670M 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)
320 additional rendering cores
Lower TDP (20W vs 25W)

Score

Benchmark

FP32 (float)
Radeon HD 7670M +188%
0.576 TFLOPS
Radeon HD 7470A
0.2 TFLOPS
VS

Graphics Card

Feb 2012
Release Date
Jan 2012
London
Generation
All-In-One
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-A (3.0)

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
800 MHz

Memory

1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
12.80GB/s

Render Config

6
Compute Units
2
-
-
-
480
Shading Units
160
24
TMUs
8
16
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

9.600 GPixel/s
Pixel Rate
2.500 GPixel/s
14.40 GTexel/s
Texture Rate
5.000 GTexel/s
-
-
-
576.0 GFLOPS
FP32 (float)
200.0 GFLOPS
-
-
-

Board Design

20W
TDP
25W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Thames
GPU Name
Caicos
Thames XT (216-0833000)
GPU Variant
-
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.716 billion
Transistors
0.37 billion
104 mm²
Die Size
67 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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