Home GPU Comparison AMD Radeon R9 M265X vs NVIDIA GeForce GT 640M LE

AMD Radeon R9 M265X vs NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M265X 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 M265X 's Advantages
Released 1 years and 10 months late
Boost Clock625MHz
Larger VRAM bandwidth (64.00GB/s vs 50.24GB/s)
544 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 M265X +176%
0.8 TFLOPS
GeForce GT 640M LE
0.289 TFLOPS
VS

Graphics Card

Mar 2014
Release Date
May 2012
Gem System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

575 MHz
Base Clock
-
625 MHz
Boost Clock
-
1000 MHz
Memory Clock
785 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
64.00GB/s
Bandwidth
50.24GB/s

Render Config

10
Compute Units
-
-
SM Count
2
640
Shading Units
96
40
TMUs
16
16
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

10.00 GPixel/s
Pixel Rate
3.012 GPixel/s
25.00 GTexel/s
Texture Rate
12.05 GTexel/s
-
-
-
800.0 GFLOPS
FP32 (float)
289.0 GFLOPS
50.00 GFLOPS
FP64 (double)
24.08 GFLOPS

Board Design

Unknown
TDP
32W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Venus
GPU Name
GF108
Venus PRO (216-0846009)
GPU Variant
-
GCN 1.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
0.585 billion
123 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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