Home GPU Comparison AMD Radeon HD 7430M vs NVIDIA GeForce GT 640M

AMD Radeon HD 7430M vs NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7430M and 2GB VRAM GeForce GT 640M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7430M 's Advantages
Lower TDP (7W vs 32W)
NVIDIA GeForce GT 640M 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)
224 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7430M
0.192 TFLOPS
GeForce GT 640M +150%
0.48 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
Mar 2012
London
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

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

Memory

1024MB
Memory Size
2GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
12.80GB/s
Bandwidth
28.80GB/s

Render Config

2
Compute Units
-
-
-
-
160
Shading Units
384
8
TMUs
32
4
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

2.400 GPixel/s
Pixel Rate
5.000 GPixel/s
4.800 GTexel/s
Texture Rate
20.00 GTexel/s
-
-
-
192.0 GFLOPS
FP32 (float)
480.0 GFLOPS
-
FP64 (double)
20.00 GFLOPS

Board Design

7W
TDP
32W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Seymour
GPU Name
GK107
Seymour PRO
GPU Variant
N13P-GS
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
1.27 billion
67 mm²
Die Size
118 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1

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