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

VS

AMD Radeon Pro Vega 20 ATI Mobility Radeon HD 4850 X2

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 1024MB VRAM Mobility Radeon HD 4850 X2 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 1GB)

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

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +310%

3.284 TFLOPS

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Radeon Pro Vega 20

VS

Mobility Radeon HD 4850 X2

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

700 MHz

Memory

4GB

Memory Size

1024MB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

256bit

189.4GB/s

Bandwidth

89.60GB/s

Render Config

-

SM Count

-

20

Compute Units

10

1280

Shading Units

800

80

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

41.06 GPixel/s

Pixel Rate

8.000 GPixel/s

102.6 GTexel/s

Texture Rate

20.00 GTexel/s

6.569 TFLOPS

FP16 (half)

-

3.284 TFLOPS

FP32 (float)

800.0 GFLOPS

205.3 GFLOPS

FP64 (double)

160.0 GFLOPS

Graphics Processor

Vega 12

GPU Name

M98

Vega 12 XTA

GPU Variant

M98 L2 (216-0732019)

GCN 5.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

Unknown

Transistors

0.956 billion

Unknown

Die Size

256 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

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

-

CUDA

-

6.3

Shader Model

4.1

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