AMD Radeon R9 M470X vs AMD Radeon HD 7490M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M470X and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M470X 's Advantages

Released 4 years and 4 months late

Boost Clock1100MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (76.80GB/s vs 30.40GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M470X +669%

1.971 TFLOPS

Radeon HD 7490M

0.256 TFLOPS

Radeon R9 M470X

VS

Radeon HD 7490M

Graphics Card

May 2016

Release Date

Jan 2012

Gem System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

950 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

30.40GB/s

Render Config

-

SM Count

-

14

Compute Units

2

896

Shading Units

160

56

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

3.200 GPixel/s

61.60 GTexel/s

Texture Rate

6.400 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

256.0 GFLOPS

123.2 GFLOPS

FP64 (double)

-

Graphics Processor

Emerald

GPU Name

Seymour

Emerald XT

GPU Variant

Seymour XTX (216-0810005)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.37 billion

160 mm²

Die Size

67 mm²

Board Design

Unknown

TDP

9W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.2.170

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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