AMD Radeon R7 M270 vs NVIDIA GeForce GT 640M LE

VS

AMD Radeon R7 M270 NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 M270 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 R7 M270 's Advantages

Released 1 years and 8 months late

Boost Clock825MHz

288 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Larger VRAM bandwidth (50.24GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M270 +119%

0.633 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

Radeon R7 M270

VS

GeForce GT 640M LE

Graphics Card

Jan 2014

Release Date

May 2012

Gem System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

725 MHz

Base Clock

-

825 MHz

Boost Clock

-

900 MHz

Memory Clock

785 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

50.24GB/s

Render Config

-

SM Count

2

6

Compute Units

-

384

Shading Units

96

24

TMUs

16

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

6.600 GPixel/s

Pixel Rate

3.012 GPixel/s

19.80 GTexel/s

Texture Rate

12.05 GTexel/s

-

FP16 (half)

-

633.6 GFLOPS

FP32 (float)

289.0 GFLOPS

-

FP64 (double)

24.08 GFLOPS

Graphics Processor

Opal

GPU Name

GF108

Opal XT

GPU Variant

-

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.585 billion

77 mm²

Die Size

116 mm²

Board Design

Unknown

TDP

32W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

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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