ATI Mobility Radeon HD 4650 vs AMD Radeon RX 580 Mobile

VS

ATI Mobility Radeon HD 4650

AMD Radeon RX 580 Mobile

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4650 and 8GB VRAM Radeon RX 580 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4650 's Advantages

Lower TDP (35W vs 100W)

AMD Radeon RX 580 Mobile 's Advantages

Released 8 years and 3 months late

Boost Clock1077MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 19.20GB/s)

1984 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4650

0.32 TFLOPS

Radeon RX 580 Mobile +1450%

4.963 TFLOPS

Mobility Radeon HD 4650

VS

Radeon RX 580 Mobile

Graphics Card

Jan 2009

Release Date

Apr 2017

M9x

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1077 MHz

600 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

8GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

19.20GB/s

Bandwidth

256.0GB/s

Render Config

4

Compute Units

36

-

320

Shading Units

2304

32

TMUs

144

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

34.46 GPixel/s

16.00 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

320.0 GFLOPS

FP32 (float)

4.963 TFLOPS

-

FP64 (double)

310.2 GFLOPS

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M96

GPU Name

Polaris 20

-

GPU Variant

Polaris 20M XT

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.514 billion

Transistors

5.7 billion

146 mm²

Die Size

232 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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