ATI Mobility Radeon HD 4850 X2 vs AMD Radeon Pro Vega 20

VS

ATI Mobility Radeon HD 4850 X2

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 4GB VRAM Radeon Pro Vega 20 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 1024GB)

Larger VRAM bandwidth (189.4GB/s vs 89.60GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Radeon Pro Vega 20 +310%

3.284 TFLOPS

Mobility Radeon HD 4850 X2

VS

Radeon Pro Vega 20

Graphics Card

Jan 2009

Release Date

Nov 2018

M9x

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

815 MHz

-

Boost Clock

1283 MHz

700 MHz

Memory Clock

740 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

1024bit

89.60GB/s

Bandwidth

189.4GB/s

Render Config

10

Compute Units

20

-

800

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

41.06 GPixel/s

20.00 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

800.0 GFLOPS

FP32 (float)

3.284 TFLOPS

160.0 GFLOPS

FP64 (double)

205.3 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M98

GPU Name

Vega 12

M98 L2 (216-0732019)

GPU Variant

Vega 12 XTA

TeraScale

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.956 billion

Transistors

Unknown

256 mm²

Die Size

Unknown

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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