Home GPU Comparison AMD Radeon R9 M295X Mac Edition vs NVIDIA GeForce GT 640M LE

AMD Radeon R9 M295X Mac Edition vs NVIDIA GeForce GT 640M LE

AMD Radeon R9 M295X Mac Edition
VS
NVIDIA GeForce GT 640M LE
AMD Radeon R9 M295X Mac Edition
NVIDIA GeForce GT 640M LE
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition 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 R9 M295X Mac Edition 's Advantages
Released 2 years and 6 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (174.3GB/s vs 50.24GB/s)
1952 additional rendering cores
NVIDIA GeForce GT 640M LE 's Advantages
Lower TDP (32W vs 250W)

Score

Benchmark

FP32 (float)
Radeon R9 M295X Mac Edition +1104%
3.482 TFLOPS
GeForce GT 640M LE
0.289 TFLOPS
VS

Graphics Card

Nov 2014
Release Date
May 2012
Crystal System
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1362 MHz
Memory Clock
785 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
174.3GB/s
Bandwidth
50.24GB/s

Render Config

32
Compute Units
-
-
SM Count
2
2048
Shading Units
96
128
TMUs
16
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

27.20 GPixel/s
Pixel Rate
3.012 GPixel/s
108.8 GTexel/s
Texture Rate
12.05 GTexel/s
3.482 TFLOPS
FP16 (half)
-
3.482 TFLOPS
FP32 (float)
289.0 GFLOPS
217.6 GFLOPS
FP64 (double)
24.08 GFLOPS

Board Design

250W
TDP
32W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Amethyst
GPU Name
GF108
Amethyst XT
GPU Variant
-
GCN 3.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5 billion
Transistors
0.585 billion
366 mm²
Die Size
116 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.3
Shader Model
5.1

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