AMD Radeon HD 6490M vs AMD Radeon RX Vega M GH

VS

AMD Radeon HD 6490M AMD Radeon RX Vega M GH

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M 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 7 years and 1 months late

Boost Clock1190MHz

Larger VRAM bandwidth (204.8GB/s vs 25.60GB/s)

1376 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

Radeon RX Vega M GH +1328%

3.656 TFLOPS

Radeon HD 6490M

VS

Radeon RX Vega M GH

Graphics Card

Jan 2011

Release Date

Feb 2018

Vancouver

Generation

Vega

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

IGP

Clock Speeds

-

Base Clock

1063 MHz

-

Boost Clock

1190 MHz

800 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

HBM2

64bit

Memory Bus

1024bit

25.60GB/s

Bandwidth

204.8GB/s

Render Config

-

SM Count

-

2

Compute Units

24

160

Shading Units

1536

8

TMUs

96

4

ROPs

64

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

76.16 GPixel/s

6.400 GTexel/s

Texture Rate

114.2 GTexel/s

-

FP16 (half)

3.656 TFLOPS

256.0 GFLOPS

FP32 (float)

3.656 TFLOPS

-

FP64 (double)

228.5 GFLOPS

Graphics Processor

Seymour

GPU Name

Polaris 22

Seymour XTX S3 (216-0809024)

GPU Variant

VegaM XT (C7398773)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

5 billion

67 mm²

Die Size

208 mm²

Board Design

Unknown

TDP

100W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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