ATI Mobility Radeon X2300 HD vs NVIDIA GeForce GT 640M

VS

ATI Mobility Radeon X2300 HD

NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2300 HD and 2GB VRAM GeForce GT 640M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M 's Advantages

Released 5 years late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 3.024GB/s)

384 additional rendering cores

Score

Mobility Radeon X2300 HD

VS

GeForce GT 640M

Graphics Card

Mar 2007

Release Date

Mar 2012

M7x

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

378 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

DDR3

32bit

Memory Bus

128bit

3.024GB/s

Bandwidth

28.80GB/s

Render Config

-

Shading Units

384

4

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

256 KB

-

Theoretical Performance

1.916 GPixel/s

Pixel Rate

5.000 GPixel/s

1.916 GTexel/s

Texture Rate

20.00 GTexel/s

-

FP32 (float)

480.0 GFLOPS

-

FP64 (double)

20.00 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M71

GPU Name

GK107

M71-S

GPU Variant

N13P-GS

Ultra-Threaded SE

Architecture

Kepler

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.107 billion

Transistors

1.27 billion

100 mm²

Die Size

118 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.1

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

Shader Model

5.1

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