Radeon HD 7730M vs GeForce 405M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 512MB VRAM GeForce 405M 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 512GB)
Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)
496 additional rendering cores
GeForce 405M Advantages
Lower TDP (14W vs 25W)
Score
Benchmark
FP32 (float)
Radeon HD 7730M
+1671%
691
GeForce 405M
39
Graphics Card
Apr 2012
Release Date
Jan 2011
London
Generation
GeForce 400M
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
512MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
12.80GB/s
Render Config
8
Compute Units
-
-
SM Count
2
512
Shading Units
16
32
TMUs
8
16
ROPs
4
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
32 KB
Theoretical Performance
10.80 GPixel/s
Pixel Rate
2.424 GPixel/s
21.60 GTexel/s
Texture Rate
4.848 GTexel/s
691.2 GFLOPS
FP32 (float)
38.78 GFLOPS
43.20 GFLOPS
FP64 (double)
-
Board Design
25W
TDP
14W
No outputs
Outputs
No outputs
Graphics Processor
Chelsea
GPU Name
GT218
Chelsea LE
(216-0834065)
(216-0834065)
GPU Variant
-
GCN 1.0
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
0.26 billion
123 mm²
Die Size
57 mm²
Graphics Features
12 (11_1)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.2
5.1
Shader Model
4.1