ATI Mobility Radeon HD 2400 XT Mac Edition vs NVIDIA GeForce GT 640M Mac Edition

VS

ATI Mobility Radeon HD 2400 XT Mac Edition

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 128MB VRAM Mobility Radeon HD 2400 XT Mac Edition and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Released 5 years and 8 months late

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (40.00GB/s vs 12.80GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2400 XT Mac Edition

0.052 TFLOPS

GeForce GT 640M Mac Edition +1000%

0.572 TFLOPS

Mobility Radeon HD 2400 XT Mac Edition

VS

GeForce GT 640M Mac Edition

Graphics Card

Jun 2007

Release Date

Feb 2013

M7x

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1250 MHz

Memory

128MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

12.80GB/s

Bandwidth

40.00GB/s

Render Config

2

Compute Units

-

40

Shading Units

384

4

TMUs

32

4

ROPs

8

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

128 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

5.960 GPixel/s

2.600 GTexel/s

Texture Rate

23.84 GTexel/s

-

52.00 GFLOPS

FP32 (float)

572.2 GFLOPS

-

FP64 (double)

23.84 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M74

GPU Name

GK107

M74-M (216RMAKA12FG)

GPU Variant

N13P-GS

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.18 billion

Transistors

1.27 billion

85 mm²

Die Size

118 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.0

Shader Model

5.1

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