NVIDIA GeForce GT 420M vs ATI Mobility Radeon HD 5830

VS

NVIDIA GeForce GT 420M

ATI Mobility Radeon HD 5830

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM Mobility Radeon HD 5830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Released 8 months late

Lower TDP (23W vs 24W)

ATI Mobility Radeon HD 5830 's Advantages

More VRAM (1024GB vs 512GB)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Mobility Radeon HD 5830 +316%

0.8 TFLOPS

GeForce GT 420M

VS

Mobility Radeon HD 5830

Graphics Card

Sep 2010

Release Date

Jan 2010

GeForce 400M

Generation

Manhattan

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

GDDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

25.60GB/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

8.000 GPixel/s

8.000 GTexel/s

Texture Rate

20.00 GTexel/s

-

192.0 GFLOPS

FP32 (float)

800.0 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

24W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

Broadway

N11P-GE-A1

GPU Variant

Broadway LE

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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