AMD Radeon Pro Vega II vs ATI Radeon HD 3850 X3

VS

AMD Radeon Pro Vega II

ATI Radeon HD 3850 X3

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro Vega II and 512MB VRAM Radeon HD 3850 X3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega II 's Advantages

Boost Clock1720MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (825.3GB/s vs 54.40GB/s)

3776 additional rendering cores

ATI Radeon HD 3850 X3 's Advantages

Lower TDP (145W vs 475W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega II +3192%

14.09 TFLOPS

Radeon HD 3850 X3

0.428 TFLOPS

Radeon Pro Vega II

VS

Radeon HD 3850 X3

Graphics Card

Jun 2019

Release Date

Unknown

Radeon Pro Mac

Generation

Radeon R600

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 2.0 x16

Clock Speeds

1574 MHz

Base Clock

-

1720 MHz

Boost Clock

-

806 MHz

Memory Clock

850 MHz

Memory

32GB

Memory Size

512MB

HBM2

Memory Type

GDDR3

4096bit

Memory Bus

256bit

825.3GB/s

Bandwidth

54.40GB/s

Render Config

64

Compute Units

4

-

4096

Shading Units

320

256

TMUs

16

64

ROPs

16

-

16 KB (per CU)

L1 Cache

-

4 MB

L2 Cache

256 KB

-

Theoretical Performance

110.1 GPixel/s

Pixel Rate

10.70 GPixel/s

440.3 GTexel/s

Texture Rate

10.70 GTexel/s

28.18 TFLOPS

FP16 (half)

-

14.09 TFLOPS

FP32 (float)

428.2 GFLOPS

7.045 TFLOPS

FP64 (double)

-

Board Design

475W

TDP

145W

850 W

Suggested PSU

300 W

1x HDMI 2.0b 4x Thunderbolt

Outputs

4x DVI

None

Power Connectors

1x 8-pin

Graphics Processor

Vega 20

GPU Name

RV670

Vega 20 XT

GPU Variant

RV670 PRO (215-0708003)

GCN 5.1

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

13.23 billion

Transistors

0.666 billion

331 mm²

Die Size

192 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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