NVIDIA GeForce 945A vs ATI Mobility Radeon HD 2400 XT Mac Edition

VS

NVIDIA GeForce 945A

ATI Mobility Radeon HD 2400 XT Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A 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

NVIDIA GeForce 945A 's Advantages

Released 7 years and 9 months late

Boost Clock1189MHz

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (40.10GB/s vs 12.80GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945A +1655%

0.913 TFLOPS

Mobility Radeon HD 2400 XT Mac Edition

0.052 TFLOPS

GeForce 945A

VS

Mobility Radeon HD 2400 XT Mac Edition

Graphics Card

Mar 2015

Release Date

Jun 2007

GeForce 900A

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1253 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

64bit

40.10GB/s

Bandwidth

12.80GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

40

24

TMUs

4

8

ROPs

4

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

32 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

2.600 GPixel/s

28.54 GTexel/s

Texture Rate

2.600 GTexel/s

-

913.2 GFLOPS

FP32 (float)

52.00 GFLOPS

28.54 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM108

GPU Name

M74

-

GPU Variant

M74-M (216RMAKA12FG)

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

Unknown

Transistors

0.18 billion

Unknown

Die Size

85 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

4.0

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