AMD Radeon Pro 555X vs ATI Mobility Radeon HD 3450

VS

AMD Radeon Pro 555X

ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 256MB VRAM Mobility Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 10 years and 6 months late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (94.08GB/s vs 6.400GB/s)

728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 555X +3382%

1.393 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon Pro 555X

VS

Mobility Radeon HD 3450

Graphics Card

Jul 2018

Release Date

Jan 2008

Radeon Pro Mac

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

-

1470 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

94.08GB/s

Bandwidth

6.400GB/s

Render Config

12

Compute Units

2

-

768

Shading Units

40

48

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

64 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

2.000 GPixel/s

43.54 GTexel/s

Texture Rate

2.000 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

40.00 GFLOPS

87.07 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

M82

Polaris 21 PRO

GPU Variant

M82-SCE XT (216-0707011)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

3 billion

Transistors

0.181 billion

123 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

10.1

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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