AMD Radeon HD 6490M Mac Edition vs ATI Mobility Radeon HD 2400 XT Mac Edition

VS

AMD Radeon HD 6490M Mac Edition ATI Mobility Radeon HD 2400 XT Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M 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 6490M Mac Edition 's Advantages

Released 3 years and 11 months late

More VRAM (256GB vs 128GB)

Larger VRAM bandwidth (25.41GB/s vs 12.80GB/s)

120 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition +361%

0.24 TFLOPS

Mobility Radeon HD 2400 XT Mac Edition

0.052 TFLOPS

Radeon HD 6490M Mac Edition

VS

Mobility Radeon HD 2400 XT Mac Edition

Graphics Card

May 2011

Release Date

Jun 2007

Vancouver

Generation

M7x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

794 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

64bit

25.41GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

2

Compute Units

2

160

Shading Units

40

8

TMUs

4

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

32 KB

Theoretical Performance

3.000 GPixel/s

Pixel Rate

2.600 GPixel/s

6.000 GTexel/s

Texture Rate

2.600 GTexel/s

-

FP16 (half)

-

240.0 GFLOPS

FP32 (float)

52.00 GFLOPS

-

FP64 (double)

-

Graphics Processor

Seymour

GPU Name

M74

Seymour XTX M2 (216-0809000)

GPU Variant

M74-M (216RMAKA12FG)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.37 billion

Transistors

0.18 billion

67 mm²

Die Size

85 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.0

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