NVIDIA GeForce GT 420M vs AMD Radeon HD 7670M Rebrand

VS

NVIDIA GeForce GT 420M

AMD Radeon HD 7670M Rebrand

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM Radeon HD 7670M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670M Rebrand 's Advantages

Released 1 years and 10 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

384 additional rendering cores

Lower TDP (20W vs 23W)

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon HD 7670M Rebrand +200%

0.576 TFLOPS

GeForce GT 420M

VS

Radeon HD 7670M Rebrand

Graphics Card

Sep 2010

Release Date

Jul 2012

GeForce 400M

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

28.80GB/s

Render Config

-

Compute Units

6

2

SM Count

-

96

Shading Units

480

16

TMUs

24

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

9.600 GPixel/s

8.000 GTexel/s

Texture Rate

14.40 GTexel/s

-

192.0 GFLOPS

FP32 (float)

576.0 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

20W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

Whistler

N11P-GE-A1

GPU Variant

Whistler XT (216-0810001)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

0.716 billion

116 mm²

Die Size

104 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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