NVIDIA GeForce GT 640M vs ATI Mobility Radeon HD 2700

VS

NVIDIA GeForce GT 640M ATI Mobility Radeon HD 2700

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M and 256MB VRAM Mobility Radeon HD 2700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M 's Advantages

Released 4 years and 3 months late

Larger VRAM bandwidth (28.80GB/s vs 22.40GB/s)

264 additional rendering cores

Lower TDP (32W vs 35W)

Score

Benchmark

FP32 (float)

GeForce GT 640M +185%

0.48 TFLOPS

Mobility Radeon HD 2700

0.168 TFLOPS

GeForce GT 640M

VS

Mobility Radeon HD 2700

Graphics Card

Mar 2012

Release Date

Dec 2007

GeForce 600M

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

-

Compute Units

3

384

Shading Units

120

32

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

5.000 GPixel/s

Pixel Rate

2.800 GPixel/s

20.00 GTexel/s

Texture Rate

5.600 GTexel/s

-

FP16 (half)

-

480.0 GFLOPS

FP32 (float)

168.0 GFLOPS

20.00 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

M76

N13P-GS

GPU Variant

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.27 billion

Transistors

0.39 billion

118 mm²

Die Size

153 mm²

Board Design

32W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.0

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