ATI Mobility Radeon HD 2400 XT Mac Edition vs AMD Radeon Pro 555X

VS

ATI Mobility Radeon HD 2400 XT Mac Edition

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 128MB VRAM Mobility Radeon HD 2400 XT Mac Edition and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 11 years and 1 months late

More VRAM (4GB vs 128GB)

Larger VRAM bandwidth (94.08GB/s vs 12.80GB/s)

728 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2400 XT Mac Edition

0.052 TFLOPS

Radeon Pro 555X +2578%

1.393 TFLOPS

Mobility Radeon HD 2400 XT Mac Edition

VS

Radeon Pro 555X

Graphics Card

Jun 2007

Release Date

Jul 2018

M7x

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

800 MHz

Memory Clock

1470 MHz

Memory

128MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

94.08GB/s

Render Config

2

Compute Units

12

-

40

Shading Units

768

4

TMUs

48

4

ROPs

16

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

14.51 GPixel/s

2.600 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

52.00 GFLOPS

FP32 (float)

1393 GFLOPS

-

FP64 (double)

87.07 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M74

GPU Name

Polaris 21

M74-M (216RMAKA12FG)

GPU Variant

Polaris 21 PRO

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

65 nm

Process Size

14 nm

0.18 billion

Transistors

3 billion

85 mm²

Die Size

123 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.0

Shader Model

6.4

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