NVIDIA GeForce GT 420M vs AMD Radeon HD 6450M

VS

NVIDIA GeForce GT 420M

AMD Radeon HD 6450M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM Radeon HD 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

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

AMD Radeon HD 6450M 's Advantages

More VRAM (1024GB vs 512GB)

64 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon HD 6450M

0.192 TFLOPS

GeForce GT 420M

VS

Radeon HD 6450M

Graphics Card

Sep 2010

Release Date

Jan 2011

GeForce 400M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

12.80GB/s

Render Config

-

Compute Units

2

SM Count

-

96

Shading Units

160

16

TMUs

8

4

ROPs

4

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

2.400 GPixel/s

8.000 GTexel/s

Texture Rate

4.800 GTexel/s

-

192.0 GFLOPS

FP32 (float)

192.0 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF108

GPU Name

Seymour

N11P-GE-A1

GPU Variant

Seymour PRO S3 (216-0809024)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

0.37 billion

116 mm²

Die Size

67 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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