Radeon HD 7730M vs Radeon HD 7670M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 1024MB VRAM Radeon HD 7670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7730M 's Advantages
Boost Clock675MHz
More VRAM (2GB vs 1024GB)
32 additional rendering cores
Radeon HD 7670M 's Advantages
Lower TDP (20W vs 25W)
Score
Benchmark
FP32 (float)
Radeon HD 7730M
+19%
691
Radeon HD 7670M
576
Graphics Card
Apr 2012
Release Date
Feb 2012
London
Generation
London
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
575 MHz
Base Clock
-
675 MHz
Boost Clock
-
900 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
128bit
Memory Bus
128bit
28.80GB/s
Bandwidth
28.80GB/s
Render Config
8
Compute Units
6
512
Shading Units
480
32
TMUs
24
16
ROPs
16
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
10.80 GPixel/s
Pixel Rate
9.600 GPixel/s
21.60 GTexel/s
Texture Rate
14.40 GTexel/s
691.2 GFLOPS
FP32 (float)
576.0 GFLOPS
43.20 GFLOPS
FP64 (double)
-
Board Design
25W
TDP
20W
No outputs
Outputs
No outputs
Graphics Processor
Chelsea
GPU Name
Thames
Chelsea LE
(216-0834065)
GPU Variant
Thames XT
(216-0833000)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
0.716 billion
123 mm²
Die Size
104 mm²
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
5.1
Shader Model
5.0
