AMD Radeon RX 580X Mobile vs AMD Radeon HD 7450M

VS

AMD Radeon RX 580X Mobile

AMD Radeon HD 7450M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580X Mobile and 1024MB VRAM Radeon HD 7450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X Mobile 's Advantages

Released 6 years and 3 months late

Boost Clock1077MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 14.40GB/s)

2144 additional rendering cores

AMD Radeon HD 7450M 's Advantages

Lower TDP (7W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile +2115%

4.963 TFLOPS

Radeon HD 7450M

0.224 TFLOPS

Radeon RX 580X Mobile

VS

Radeon HD 7450M

Graphics Card

Apr 2018

Release Date

Jan 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

14.40GB/s

Render Config

36

Compute Units

2

-

2304

Shading Units

160

144

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

2.800 GPixel/s

155.1 GTexel/s

Texture Rate

5.600 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

224.0 GFLOPS

310.2 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

7W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

Seymour

Polaris 20M XT

GPU Variant

Seymour PRO

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.37 billion

232 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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