AMD Radeon R7 M340 vs AMD Radeon RX Vega M GH

VS

AMD Radeon R7 M340

AMD Radeon RX Vega M GH

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 4GB VRAM Radeon RX Vega M GH 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 R7 M340

0.549 TFLOPS

Radeon RX Vega M GH +565%

3.656 TFLOPS

Radeon R7 M340

VS

Radeon RX Vega M GH

Graphics Card

Dec 2015

Release Date

Feb 2018

Gem System

Generation

Vega

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

IGP

Clock Speeds

620 MHz

Base Clock

1063 MHz

715 MHz

Boost Clock

1190 MHz

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

HBM2

64bit

Memory Bus

1024bit

16.00GB/s

Bandwidth

204.8GB/s

Render Config

6

Compute Units

24

-

384

Shading Units

1536

24

TMUs

96

8

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

5.720 GPixel/s

Pixel Rate

76.16 GPixel/s

17.16 GTexel/s

Texture Rate

114.2 GTexel/s

-

FP16 (half)

3.656 TFLOPS

549.1 GFLOPS

FP32 (float)

3.656 TFLOPS

34.32 GFLOPS

FP64 (double)

228.5 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Opal

GPU Name

Polaris 22

Opal PRO

GPU Variant

VegaM XT (C7398773)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.95 billion

Transistors

5 billion

77 mm²

Die Size

208 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

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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