ATI Mobility Radeon HD 2400 XT Mac Edition vs AMD Radeon HD 7770M

VS

ATI Mobility Radeon HD 2400 XT Mac Edition

AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 128MB VRAM Mobility Radeon HD 2400 XT Mac Edition and 1024MB VRAM Radeon HD 7770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770M 's Advantages

Released 4 years and 10 months late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)

472 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2400 XT Mac Edition

0.052 TFLOPS

Radeon HD 7770M +1228%

0.691 TFLOPS

Mobility Radeon HD 2400 XT Mac Edition

VS

Radeon HD 7770M

Graphics Card

Jun 2007

Release Date

Apr 2012

M7x

Generation

London

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

128MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

64.00GB/s

Render Config

2

Compute Units

8

-

40

Shading Units

512

4

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

10.80 GPixel/s

2.600 GTexel/s

Texture Rate

21.60 GTexel/s

-

52.00 GFLOPS

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M74

GPU Name

Chelsea

M74-M (216RMAKA12FG)

GPU Variant

Chelsea XT

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.18 billion

Transistors

1.5 billion

85 mm²

Die Size

123 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.0

Shader Model

5.1

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