AMD Radeon HD 6490M vs AMD Radeon RX 470 Mobile

VS

AMD Radeon HD 6490M AMD Radeon RX 470 Mobile

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 8GB VRAM Radeon RX 470 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 Mobile 's Advantages

Released 5 years and 7 months late

Boost Clock1074MHz

Larger VRAM bandwidth (224.0GB/s vs 25.60GB/s)

1888 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

Radeon RX 470 Mobile +1618%

4.399 TFLOPS

Radeon HD 6490M

VS

Radeon RX 470 Mobile

Graphics Card

Jan 2011

Release Date

Aug 2016

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

926 MHz

-

Boost Clock

1074 MHz

800 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

2

Compute Units

32

160

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

2 MB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

34.37 GPixel/s

6.400 GTexel/s

Texture Rate

137.5 GTexel/s

-

FP16 (half)

4.399 TFLOPS

256.0 GFLOPS

FP32 (float)

4.399 TFLOPS

-

FP64 (double)

274.9 GFLOPS

Graphics Processor

Seymour

GPU Name

Ellesmere

Seymour XTX S3 (216-0809024)

GPU Variant

Ellesmere PRO

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

5.7 billion

67 mm²

Die Size

232 mm²

Board Design

Unknown

TDP

85W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

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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