ATI Mobility Radeon HD 3470 vs NVIDIA GeForce GT 420M

VS

ATI Mobility Radeon HD 3470

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3470 and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Released 2 years and 8 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 6.400GB/s)

56 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3470

0.054 TFLOPS

GeForce GT 420M +255%

0.192 TFLOPS

Mobility Radeon HD 3470

VS

GeForce GT 420M

Graphics Card

Jan 2008

Release Date

Sep 2010

M8x

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

25.60GB/s

Render Config

2

Compute Units

-

SM Count

2

40

Shading Units

96

4

TMUs

16

4

ROPs

4

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

2.000 GPixel/s

2.720 GTexel/s

Texture Rate

8.000 GTexel/s

-

54.40 GFLOPS

FP32 (float)

192.0 GFLOPS

-

FP64 (double)

16.00 GFLOPS

Board Design

Unknown

TDP

23W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

GF108

M82-ME XT (216-0707009)

GPU Variant

N11P-GE-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

0.585 billion

67 mm²

Die Size

116 mm²

Graphics Features

10.1

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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