AMD Radeon RX Vega M GL vs AMD Radeon HD 7850M

VS

AMD Radeon RX Vega M GL

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GL and 2GB VRAM Radeon HD 7850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega M GL 's Advantages

Released 5 years and 10 months late

Boost Clock1011MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (179.2GB/s vs 64.00GB/s)

640 additional rendering cores

AMD Radeon HD 7850M 's Advantages

Lower TDP (40W vs 65W)

Score

Benchmark

FP32 (float)

Radeon RX Vega M GL +199%

2.588 TFLOPS

Radeon HD 7850M

0.864 TFLOPS

Radeon RX Vega M GL

VS

Radeon HD 7850M

Graphics Card

Feb 2018

Release Date

Apr 2012

Vega

Generation

London

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 3.0 x16

Clock Speeds

931 MHz

Base Clock

-

1011 MHz

Boost Clock

-

700 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

128bit

179.2GB/s

Bandwidth

64.00GB/s

Render Config

20

Compute Units

10

-

1280

Shading Units

640

80

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

32.35 GPixel/s

Pixel Rate

10.80 GPixel/s

80.88 GTexel/s

Texture Rate

27.00 GTexel/s

2.588 TFLOPS

FP16 (half)

-

2.588 TFLOPS

FP32 (float)

864.0 GFLOPS

161.8 GFLOPS

FP64 (double)

54.00 GFLOPS

Board Design

65W

TDP

40W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Polaris 22

GPU Name

Heathrow

VegaM XL (D715A714)

GPU Variant

Heathrow PRO

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5 billion

Transistors

1.5 billion

208 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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