AMD Radeon Pro Vega II vs AMD Radeon HD 7870 XT

VS

AMD Radeon Pro Vega II AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro Vega II and 2GB VRAM Radeon HD 7870 XT 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 6 years and 7 months late

Boost Clock has increased by 76% (1720MHz vs 975MHz)

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (825.3GB/s vs 192.0GB/s)

2560 additional rendering cores

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 475W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega II +370%

14.09 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

Radeon Pro Vega II

VS

Radeon HD 7870 XT

Graphics Card

Jun 2019

Release Date

Nov 2012

Radeon Pro Mac

Generation

Southern Islands

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 3.0 x16

Clock Speeds

1574 MHz

Base Clock

925 MHz

1720 MHz

Boost Clock

975 MHz

806 MHz

Memory Clock

1500 MHz

Memory

32GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

4096bit

Memory Bus

256bit

825.3GB/s

Bandwidth

192.0GB/s

Render Config

-

SM Count

-

64

Compute Units

24

4096

Shading Units

1536

256

TMUs

96

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

110.1 GPixel/s

Pixel Rate

31.20 GPixel/s

440.3 GTexel/s

Texture Rate

93.60 GTexel/s

28.18 TFLOPS

FP16 (half)

-

14.09 TFLOPS

FP32 (float)

2.995 TFLOPS

7.045 TFLOPS

FP64 (double)

748.8 GFLOPS

Graphics Processor

Vega 20

GPU Name

Tahiti

Vega 20 XT

GPU Variant

Tahiti LE (215-0821122)

GCN 5.1

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

13.23 billion

Transistors

4.313 billion

331 mm²

Die Size

352 mm²

Board Design

475W

TDP

185W

850 W

Suggested PSU

450 W

1x HDMI 2.0b 4x Thunderbolt

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

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