AMD Radeon RX 580 Mobile vs ATI Mobility Radeon HD 3450

VS

AMD Radeon RX 580 Mobile

ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile 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 RX 580 Mobile 's Advantages

Released 9 years and 3 months late

Boost Clock1077MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (256.0GB/s vs 6.400GB/s)

2264 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +12307%

4.963 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon RX 580 Mobile

VS

Mobility Radeon HD 3450

Graphics Card

Apr 2017

Release Date

Jan 2008

Mobility Radeon

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

400 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

6.400GB/s

Render Config

36

Compute Units

2

-

2304

Shading Units

40

144

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

64 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

2.000 GPixel/s

155.1 GTexel/s

Texture Rate

2.000 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

40.00 GFLOPS

310.2 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

M82

Polaris 20M XT

GPU Variant

M82-SCE XT (216-0707011)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

5.7 billion

Transistors

0.181 billion

232 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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