ATI Mobility Radeon HD 2400 XT Mac Edition vs AMD Radeon R9 M390X

VS

ATI Mobility Radeon HD 2400 XT Mac Edition

AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 128MB VRAM Mobility Radeon HD 2400 XT Mac Edition and 4GB VRAM Radeon R9 M390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

Released 7 years and 11 months late

More VRAM (4GB vs 128GB)

Larger VRAM bandwidth (160.0GB/s vs 12.80GB/s)

2008 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2400 XT Mac Edition

0.052 TFLOPS

Radeon R9 M390X +5594%

2.961 TFLOPS

Mobility Radeon HD 2400 XT Mac Edition

VS

Radeon R9 M390X

Graphics Card

Jun 2007

Release Date

May 2015

M7x

Generation

Crystal System

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

4GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

160.0GB/s

Render Config

2

Compute Units

32

-

40

Shading Units

2048

4

TMUs

128

4

ROPs

32

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

512 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

23.14 GPixel/s

2.600 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

52.00 GFLOPS

FP32 (float)

2.961 TFLOPS

-

FP64 (double)

185.1 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M74

GPU Name

Amethyst

M74-M (216RMAKA12FG)

GPU Variant

Amethyst XT

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.18 billion

Transistors

5 billion

85 mm²

Die Size

366 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

4.0

Shader Model

6.3

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