AMD Radeon Pro Vega 20 vs ATI Mobility Radeon HD 4650

VS

AMD Radeon Pro Vega 20

ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Released 9 years and 10 months late

Boost Clock1283MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (189.4GB/s vs 19.20GB/s)

960 additional rendering cores

ATI Mobility Radeon HD 4650 's Advantages

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +926%

3.284 TFLOPS

Mobility Radeon HD 4650

0.32 TFLOPS

Radeon Pro Vega 20

VS

Mobility Radeon HD 4650

Graphics Card

Nov 2018

Release Date

Jan 2009

Radeon Pro Mac

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

815 MHz

Base Clock

-

1283 MHz

Boost Clock

-

740 MHz

Memory Clock

600 MHz

Memory

4GB

Memory Size

512MB

HBM2

Memory Type

DDR2

1024bit

Memory Bus

128bit

189.4GB/s

Bandwidth

19.20GB/s

Render Config

20

Compute Units

4

-

1280

Shading Units

320

80

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

41.06 GPixel/s

Pixel Rate

4.000 GPixel/s

102.6 GTexel/s

Texture Rate

16.00 GTexel/s

6.569 TFLOPS

FP16 (half)

-

3.284 TFLOPS

FP32 (float)

320.0 GFLOPS

205.3 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Vega 12

GPU Name

M96

Vega 12 XTA

GPU Variant

-

GCN 5.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

Unknown

Transistors

0.514 billion

Unknown

Die Size

146 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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