ATI Mobility Radeon HD 2700 vs AMD Radeon HD 7490M

VS

ATI Mobility Radeon HD 2700

AMD Radeon HD 7490M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2700 and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7490M 's Advantages

Released 4 years and 1 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (30.40GB/s vs 22.40GB/s)

40 additional rendering cores

Lower TDP (9W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2700

0.168 TFLOPS

Radeon HD 7490M +52%

0.256 TFLOPS

Mobility Radeon HD 2700

VS

Radeon HD 7490M

Graphics Card

Dec 2007

Release Date

Jan 2012

M7x

Generation

London

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

950 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

22.40GB/s

Bandwidth

30.40GB/s

Render Config

3

Compute Units

2

-

120

Shading Units

160

8

TMUs

8

4

ROPs

4

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

3.200 GPixel/s

5.600 GTexel/s

Texture Rate

6.400 GTexel/s

-

168.0 GFLOPS

FP32 (float)

256.0 GFLOPS

-

Board Design

35W

TDP

9W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M76

GPU Name

Seymour

-

GPU Variant

Seymour XTX (216-0810005)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

0.37 billion

153 mm²

Die Size

67 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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