AMD Radeon HD 7470M vs NVIDIA GeForce GT 420M

VS

AMD Radeon HD 7470M

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7470M and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7470M 's Advantages

Released 1 years and 4 months late

Boost Clock800MHz

More VRAM (1024GB vs 512GB)

64 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

Lower TDP (23W vs 25W)

Score

Benchmark

FP32 (float)

Radeon HD 7470M +33%

0.256 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Radeon HD 7470M

VS

GeForce GT 420M

Graphics Card

Jan 2012

Release Date

Sep 2010

London

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

750 MHz

Base Clock

-

800 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

25.60GB/s

Render Config

2

Compute Units

-

SM Count

2

160

Shading Units

96

8

TMUs

16

4

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

2.000 GPixel/s

6.400 GTexel/s

Texture Rate

8.000 GTexel/s

-

256.0 GFLOPS

FP32 (float)

192.0 GFLOPS

-

FP64 (double)

16.00 GFLOPS

Board Design

25W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

GF108

Seymour XT (216-0810084)

GPU Variant

N11P-GE-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.585 billion

67 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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