ATI Mobility Radeon HD 5830 vs NVIDIA GeForce GT 640M LE

VS

ATI Mobility Radeon HD 5830

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5830 and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5830 's Advantages

704 additional rendering cores

Lower TDP (24W vs 32W)

NVIDIA GeForce GT 640M LE 's Advantages

Released 2 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (50.24GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5830 +176%

0.8 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

Mobility Radeon HD 5830

VS

GeForce GT 640M LE

Graphics Card

Jan 2010

Release Date

May 2012

Manhattan

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

785 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

50.24GB/s

Render Config

10

Compute Units

-

SM Count

2

800

Shading Units

96

40

TMUs

16

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

3.012 GPixel/s

20.00 GTexel/s

Texture Rate

12.05 GTexel/s

-

800.0 GFLOPS

FP32 (float)

289.0 GFLOPS

-

FP64 (double)

24.08 GFLOPS

Board Design

24W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

GF108

Broadway LE

GPU Variant

-

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.585 billion

166 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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