Radeon HD 7730M vs GeForce 8400M GS
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7730M 's Advantages
Released 4 years and 11 months late
Boost Clock675MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (28.80GB/s vs 6.400GB/s)
496 additional rendering cores
GeForce 8400M GS 's Advantages
Lower TDP (11W vs 25W)
Score
Benchmark
FP32 (float)
Radeon HD 7730M
+2557%
691
GeForce 8400M GS
26
Graphics Card
Apr 2012
Release Date
May 2007
London
Generation
GeForce 8M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-I
Clock Speeds
575 MHz
Base Clock
-
675 MHz
Boost Clock
-
900 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
256MB
DDR3
Memory Type
DDR2
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
6.400GB/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
16 KB
Theoretical Performance
10.80 GPixel/s
Pixel Rate
1.600 GPixel/s
21.60 GTexel/s
Texture Rate
3.200 GTexel/s
691.2 GFLOPS
FP32 (float)
25.60 GFLOPS
43.20 GFLOPS
FP64 (double)
-
Board Design
25W
TDP
11W
No outputs
Outputs
No outputs
Graphics Processor
Chelsea
GPU Name
G86
Chelsea LE
(216-0834065)
GPU Variant
NB8M-GS
GCN 1.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
1.5 billion
Transistors
0.21 billion
123 mm²
Die Size
127 mm²
Graphics Features
12 (11_1)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.1
5.1
Shader Model
4.0