AMD Radeon HD 6770M Mac Edition vs ATI Mobility Radeon HD 2400 XT Mac Edition

VS

AMD Radeon HD 6770M Mac Edition

ATI Mobility Radeon HD 2400 XT Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 128MB VRAM Mobility Radeon HD 2400 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M Mac Edition 's Advantages

Released 3 years and 7 months late

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (57.60GB/s vs 12.80GB/s)

440 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition +1238%

0.696 TFLOPS

Mobility Radeon HD 2400 XT Mac Edition

0.052 TFLOPS

Radeon HD 6770M Mac Edition

VS

Mobility Radeon HD 2400 XT Mac Edition

Graphics Card

Jan 2011

Release Date

Jun 2007

Vancouver

Generation

M7x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

57.60GB/s

Bandwidth

12.80GB/s

Render Config

6

Compute Units

2

-

480

Shading Units

40

24

TMUs

4

8

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

2.600 GPixel/s

17.40 GTexel/s

Texture Rate

2.600 GTexel/s

-

696.0 GFLOPS

FP32 (float)

52.00 GFLOPS

-

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Whistler

GPU Name

M74

Whistler XT (216-0810001)

GPU Variant

M74-M (216RMAKA12FG)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.716 billion

Transistors

0.18 billion

104 mm²

Die Size

85 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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