ATI Mobility Radeon HD 2400 XT Mac Edition vs AMD Radeon HD 7970M

VS

ATI Mobility Radeon HD 2400 XT Mac Edition

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 128MB VRAM Mobility Radeon HD 2400 XT Mac Edition and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

Released 4 years and 10 months late

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (153.6GB/s vs 12.80GB/s)

1240 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2400 XT Mac Edition

0.052 TFLOPS

Radeon HD 7970M +4084%

2.176 TFLOPS

Mobility Radeon HD 2400 XT Mac Edition

VS

Radeon HD 7970M

Graphics Card

Jun 2007

Release Date

Apr 2012

M7x

Generation

London

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1200 MHz

Memory

128MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

153.6GB/s

Render Config

2

Compute Units

20

-

40

Shading Units

1280

4

TMUs

80

4

ROPs

32

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

512 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

27.20 GPixel/s

2.600 GTexel/s

Texture Rate

68.00 GTexel/s

-

52.00 GFLOPS

FP32 (float)

2.176 TFLOPS

-

FP64 (double)

136.0 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M74

GPU Name

Wimbledon

M74-M (216RMAKA12FG)

GPU Variant

Wimbledon XT (216-0836036)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.18 billion

Transistors

2.8 billion

85 mm²

Die Size

212 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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