ATI Mobility Radeon HD 3450 vs AMD Radeon Pro 555X

VS

ATI Mobility Radeon HD 3450

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 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 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)

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon Pro 555X +3382%

1.393 TFLOPS

Mobility Radeon HD 3450

VS

Radeon Pro 555X

Graphics Card

Jan 2008

Release Date

Jul 2018

M8x

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

400 MHz

Memory Clock

1470 MHz

Memory

256MB

Memory Size

4GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/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)

64 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

14.51 GPixel/s

2.000 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

40.00 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

M82

GPU Name

Polaris 21

M82-SCE XT (216-0707011)

GPU Variant

Polaris 21 PRO

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.181 billion

Transistors

3 billion

67 mm²

Die Size

123 mm²

Graphics Features

10.1

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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