NVIDIA GeForce GT 420M vs ATI Mobility Radeon X2300 HD

VS

NVIDIA GeForce GT 420M

ATI Mobility Radeon X2300 HD

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 256MB VRAM Mobility Radeon X2300 HD to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Released 3 years and 6 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 3.024GB/s)

96 additional rendering cores

Score

GeForce GT 420M

VS

Mobility Radeon X2300 HD

Graphics Card

Sep 2010

Release Date

Mar 2007

GeForce 400M

Generation

M7x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

800 MHz

Memory Clock

378 MHz

Memory

512MB

Memory Size

256MB

DDR3

Memory Type

DDR2

128bit

Memory Bus

32bit

25.60GB/s

Bandwidth

3.024GB/s

Render Config

-

2

SM Count

-

96

Shading Units

-

16

TMUs

4

ROPs

4

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

1.916 GPixel/s

8.000 GTexel/s

Texture Rate

1.916 GTexel/s

-

192.0 GFLOPS

FP32 (float)

-

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF108

GPU Name

M71

N11P-GE-A1

GPU Variant

M71-S

Fermi

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.585 billion

Transistors

0.107 billion

116 mm²

Die Size

100 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

3.0

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