AMD Radeon HD 8590M vs AMD Radeon HD 6490M Mac Edition

VS

AMD Radeon HD 8590M

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8590M and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8590M 's Advantages

Released 1 years and 10 months late

Boost Clock825MHz

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (36.00GB/s vs 25.41GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8590M +120%

0.528 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon HD 8590M

VS

Radeon HD 6490M Mac Edition

Graphics Card

Mar 2013

Release Date

May 2011

Solar System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

750 MHz

Base Clock

-

825 MHz

Boost Clock

-

1125 MHz

Memory Clock

794 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

64bit

36.00GB/s

Bandwidth

25.41GB/s

Render Config

5

Compute Units

2

-

320

Shading Units

160

20

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

3.000 GPixel/s

16.50 GTexel/s

Texture Rate

6.000 GTexel/s

-

528.0 GFLOPS

FP32 (float)

240.0 GFLOPS

33.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Sun

GPU Name

Seymour

-

GPU Variant

Seymour XTX M2 (216-0809000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

0.37 billion

56 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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