AMD Radeon Pro Vega II vs ATI Radeon HD 3870 Mac Edition

VS

AMD Radeon Pro Vega II ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro Vega II and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega II 's Advantages

Released 11 years late

Boost Clock1720MHz

Larger VRAM bandwidth (825.3GB/s vs 72.06GB/s)

3776 additional rendering cores

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 475W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega II +2735%

14.09 TFLOPS

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon Pro Vega II

VS

Radeon HD 3870 Mac Edition

Graphics Card

Jun 2019

Release Date

Jun 2008

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

1126 MHz

Memory

32GB

Memory Size

512MB

HBM2

Memory Type

GDDR4

4096bit

Memory Bus

256bit

825.3GB/s

Bandwidth

72.06GB/s

Render Config

-

SM Count

-

64

Compute Units

4

4096

Shading Units

320

256

TMUs

16

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

4 MB

L2 Cache

256 KB

Theoretical Performance

110.1 GPixel/s

Pixel Rate

12.43 GPixel/s

440.3 GTexel/s

Texture Rate

12.43 GTexel/s

28.18 TFLOPS

FP16 (half)

-

14.09 TFLOPS

FP32 (float)

497.3 GFLOPS

7.045 TFLOPS

FP64 (double)

99.46 GFLOPS

Graphics Processor

Vega 20

GPU Name

RV670

Vega 20 XT

GPU Variant

RV670 XT (215-0708005)

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

Board Design

475W

TDP

106W

850 W

Suggested PSU

300 W

1x HDMI 2.0b 4x Thunderbolt

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

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

-

CUDA

-

6.7

Shader Model

4.1

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