Radeon HD 7730M vs Radeon HD 6430M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 1024MB VRAM Radeon HD 6430M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7730M Advantages
Released 1 years and 3 months late
Boost Clock675MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)
352 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7730M
+351%
691
Radeon HD 6430M
153
Graphics Card
Apr 2012
Release Date
Jan 2011
London
Generation
Vancouver
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
800 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
12.80GB/s
Render Config
8
Compute Units
2
512
Shading Units
160
32
TMUs
8
16
ROPs
4
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
Theoretical Performance
10.80 GPixel/s
Pixel Rate
1.920 GPixel/s
21.60 GTexel/s
Texture Rate
3.840 GTexel/s
691.2 GFLOPS
FP32 (float)
153.6 GFLOPS
43.20 GFLOPS
FP64 (double)
-
Board Design
25W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
Chelsea
GPU Name
Seymour
Chelsea LE
(216-0834065)
(216-0834065)
GPU Variant
Seymour LP S3
(216-0809020)
(216-0809020)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
0.37 billion
123 mm²
Die Size
67 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
