Home GPU Comparison AMD Radeon R5 A330 vs NVIDIA GeForce GT 640M LE

AMD Radeon R5 A330 vs NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 A330 and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A330 's Advantages
Released 3 years and 5 months late
224 additional rendering cores
NVIDIA GeForce GT 640M LE 's Advantages
Larger VRAM bandwidth (50.24GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)
Radeon R5 A330 +128%
0.659 TFLOPS
GeForce GT 640M LE
0.289 TFLOPS
VS

Graphics Card

Oct 2015
Release Date
May 2012
All-In-One
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
785 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
50.24GB/s

Render Config

5
Compute Units
-
-
SM Count
2
320
Shading Units
96
20
TMUs
16
8
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

8.240 GPixel/s
Pixel Rate
3.012 GPixel/s
20.60 GTexel/s
Texture Rate
12.05 GTexel/s
-
-
-
659.2 GFLOPS
FP32 (float)
289.0 GFLOPS
-
FP64 (double)
24.08 GFLOPS

Board Design

Unknown
TDP
32W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

Exo
GPU Name
GF108
-
-
-
GCN 1.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.69 billion
Transistors
0.585 billion
56 mm²
Die Size
116 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
1.1
1.2.170
Vulkan
N/A
-
CUDA
2.1
6.5 (5.1)
Shader Model
5.1

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