ATI Mobility Radeon HD 5770 vs AMD Radeon HD 6490M Mac Edition

VS

ATI Mobility Radeon HD 5770

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5770 and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5770 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (51.20GB/s vs 25.41GB/s)

240 additional rendering cores

AMD Radeon HD 6490M Mac Edition 's Advantages

Released 1 years and 4 months late

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5770 +116%

0.52 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Mobility Radeon HD 5770

VS

Radeon HD 6490M Mac Edition

Graphics Card

Jan 2010

Release Date

May 2011

Manhattan

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

794 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

51.20GB/s

Bandwidth

25.41GB/s

Render Config

5

Compute Units

2

-

400

Shading Units

160

20

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

3.000 GPixel/s

13.00 GTexel/s

Texture Rate

6.000 GTexel/s

-

520.0 GFLOPS

FP32 (float)

240.0 GFLOPS

-

Board Design

30W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Madison

GPU Name

Seymour

Madison XT (216-0772003)

GPU Variant

Seymour XTX M2 (216-0809000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.37 billion

104 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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