AMD Radeon HD 8870M vs AMD Radeon Pro Vega 64X

VS

AMD Radeon HD 8870M

AMD Radeon Pro Vega 64X

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 16GB VRAM Radeon Pro Vega 64X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 64X 's Advantages

Released 5 years and 11 months late

Boost Clock has increased by 89% (1468MHz vs 775MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 72.00GB/s)

3456 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

Radeon Pro Vega 64X +1112%

12.03 TFLOPS

Radeon HD 8870M

VS

Radeon Pro Vega 64X

Graphics Card

Apr 2013

Release Date

Mar 2019

Solar System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

725 MHz

Base Clock

1250 MHz

775 MHz

Boost Clock

1468 MHz

1125 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

2048bit

72.00GB/s

Bandwidth

512.0GB/s

Render Config

10

Compute Units

64

-

640

Shading Units

4096

40

TMUs

256

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

93.95 GPixel/s

31.00 GTexel/s

Texture Rate

375.8 GTexel/s

-

FP16 (half)

24.05 TFLOPS

992.0 GFLOPS

FP32 (float)

12.03 TFLOPS

62.00 GFLOPS

FP64 (double)

751.6 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Vega 10

Venus XT (216-0846000)

GPU Variant

Vega 10 XT (215-0894200)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

12.5 billion

123 mm²

Die Size

495 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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