AMD Radeon RX Vega M GH vs AMD Radeon R7 M340

VS

AMD Radeon RX Vega M GH

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GH and 1024MB VRAM Radeon R7 M340 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega M GH 's Advantages

Released 2 years and 2 months late

Boost Clock has increased by 66% (1190MHz vs 715MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (204.8GB/s vs 16.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX Vega M GH +565%

3.656 TFLOPS

Radeon R7 M340

0.549 TFLOPS

Radeon RX Vega M GH

VS

Radeon R7 M340

Graphics Card

Feb 2018

Release Date

Dec 2015

Vega

Generation

Gem System

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 3.0 x8

Clock Speeds

1063 MHz

Base Clock

620 MHz

1190 MHz

Boost Clock

715 MHz

800 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

HBM2

Memory Type

DDR3

1024bit

Memory Bus

64bit

204.8GB/s

Bandwidth

16.00GB/s

Render Config

24

Compute Units

6

-

1536

Shading Units

384

96

TMUs

24

64

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

76.16 GPixel/s

Pixel Rate

5.720 GPixel/s

114.2 GTexel/s

Texture Rate

17.16 GTexel/s

3.656 TFLOPS

FP16 (half)

-

3.656 TFLOPS

FP32 (float)

549.1 GFLOPS

228.5 GFLOPS

FP64 (double)

34.32 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Polaris 22

GPU Name

Opal

VegaM XT (C7398773)

GPU Variant

Opal PRO

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5 billion

Transistors

0.95 billion

208 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5 (5.1)

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