NVIDIA GeForce GT 420M vs ATI Mobility Radeon HD 2600

VS

NVIDIA GeForce GT 420M

ATI Mobility Radeon HD 2600

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 256MB VRAM Mobility Radeon HD 2600 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 4 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 12.80GB/s)

ATI Mobility Radeon HD 2600 's Advantages

24 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M +60%

0.192 TFLOPS

Mobility Radeon HD 2600

0.12 TFLOPS

GeForce GT 420M

VS

Mobility Radeon HD 2600

Graphics Card

Sep 2010

Release Date

May 2007

GeForce 400M

Generation

M7x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

800 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

DDR3

Memory Type

DDR2

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

12.80GB/s

Render Config

-

Compute Units

3

2

SM Count

-

96

Shading Units

120

16

TMUs

8

4

ROPs

4

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

2.000 GPixel/s

8.000 GTexel/s

Texture Rate

4.000 GTexel/s

-

192.0 GFLOPS

FP32 (float)

120.0 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF108

GPU Name

M76

N11P-GE-A1

GPU Variant

M76-M (216MJBKA13FG)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.585 billion

Transistors

0.39 billion

116 mm²

Die Size

153 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.0

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