AMD Radeon Pro Vega 64X vs AMD Radeon HD 7870M

VS

AMD Radeon Pro Vega 64X AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 16GB VRAM Radeon Pro Vega 64X and 2GB VRAM Radeon HD 7870M 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 6 years and 11 months late

Boost Clock1468MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

3456 additional rendering cores

AMD Radeon HD 7870M 's Advantages

Lower TDP (45W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 64X +1074%

12.03 TFLOPS

Radeon HD 7870M

1.024 TFLOPS

Radeon Pro Vega 64X

VS

Radeon HD 7870M

Graphics Card

Mar 2019

Release Date

Apr 2012

Radeon Pro Mac

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1250 MHz

Base Clock

-

1468 MHz

Boost Clock

-

1000 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

64

Compute Units

10

4096

Shading Units

640

256

TMUs

40

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

93.95 GPixel/s

Pixel Rate

12.80 GPixel/s

375.8 GTexel/s

Texture Rate

32.00 GTexel/s

24.05 TFLOPS

FP16 (half)

-

12.03 TFLOPS

FP32 (float)

1024 GFLOPS

751.6 GFLOPS

FP64 (double)

64.00 GFLOPS

Graphics Processor

Vega 10

GPU Name

Heathrow

Vega 10 XT (215-0894200)

GPU Variant

Heathrow XT (216-0835033)

GCN 5.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

1.5 billion

495 mm²

Die Size

123 mm²

Board Design

250W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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