NVIDIA GeForce GT 420M vs AMD Radeon HD 6970M Rebrand

VS

NVIDIA GeForce GT 420M

AMD Radeon HD 6970M Rebrand

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM Radeon HD 6970M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 75W)

AMD Radeon HD 6970M Rebrand 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon HD 6970M Rebrand +566%

1.28 TFLOPS

GeForce GT 420M

VS

Radeon HD 6970M Rebrand

Graphics Card

Sep 2010

Release Date

Jan 2011

GeForce 400M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

2

SM Count

-

96

Shading Units

800

16

TMUs

40

4

ROPs

16

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

12.80 GPixel/s

8.000 GTexel/s

Texture Rate

32.00 GTexel/s

-

192.0 GFLOPS

FP32 (float)

1280 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

Broadway

N11P-GE-A1

GPU Variant

Broadway XT

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

1.04 billion

116 mm²

Die Size

166 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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