AMD Radeon Pro Vega 64X vs AMD Radeon HD 6870M

VS

AMD Radeon Pro Vega 64X AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 16GB VRAM Radeon Pro Vega 64X and 1024MB VRAM Radeon HD 6870M 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 8 years and 2 months late

Boost Clock1468MHz

More VRAM (16GB vs 1GB)

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

3296 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 64X +1013%

12.03 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

Radeon Pro Vega 64X

VS

Radeon HD 6870M

Graphics Card

Mar 2019

Release Date

Jan 2011

Radeon Pro Mac

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1250 MHz

Base Clock

-

1468 MHz

Boost Clock

-

1000 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

1024MB

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

800

256

TMUs

40

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

93.95 GPixel/s

Pixel Rate

10.80 GPixel/s

375.8 GTexel/s

Texture Rate

27.00 GTexel/s

24.05 TFLOPS

FP16 (half)

-

12.03 TFLOPS

FP32 (float)

1080 GFLOPS

751.6 GFLOPS

FP64 (double)

-

Graphics Processor

Vega 10

GPU Name

Granville

Vega 10 XT (215-0894200)

GPU Variant

Granville XT (216-0769024)

GCN 5.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

12.5 billion

Transistors

1.04 billion

495 mm²

Die Size

166 mm²

Board Design

250W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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