ATI Mobility Radeon HD 2700 vs NVIDIA GeForce 405M

VS

ATI Mobility Radeon HD 2700

NVIDIA GeForce 405M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2700 and 512MB VRAM GeForce 405M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 2700 's Advantages

Larger VRAM bandwidth (22.40GB/s vs 12.80GB/s)

104 additional rendering cores

NVIDIA GeForce 405M 's Advantages

Released 3 years and 1 months late

More VRAM (512GB vs 256GB)

Lower TDP (14W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2700 +330%

0.168 TFLOPS

GeForce 405M

0.039 TFLOPS

Mobility Radeon HD 2700

VS

GeForce 405M

Graphics Card

Dec 2007

Release Date

Jan 2011

M7x

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

22.40GB/s

Bandwidth

12.80GB/s

Render Config

3

Compute Units

-

SM Count

2

120

Shading Units

16

8

TMUs

8

4

ROPs

4

-

64 KB

L2 Cache

32 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

2.424 GPixel/s

5.600 GTexel/s

Texture Rate

4.848 GTexel/s

-

168.0 GFLOPS

FP32 (float)

38.78 GFLOPS

-

Board Design

35W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M76

GPU Name

GT218

-

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

0.26 billion

153 mm²

Die Size

57 mm²

Graphics Features

10.0 (10_0)

DirectX

11.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

4.0

Shader Model

4.1

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