AMD Radeon HD 8670A vs AMD Radeon HD 8590M

VS

AMD Radeon HD 8670A

AMD Radeon HD 8590M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 1024MB VRAM Radeon HD 8590M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

64 additional rendering cores

AMD Radeon HD 8590M 's Advantages

Boost Clock825MHz

Larger VRAM bandwidth (36.00GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

Radeon HD 8590M +14%

0.528 TFLOPS

Radeon HD 8670A

VS

Radeon HD 8590M

Graphics Card

Feb 2013

Release Date

Mar 2013

All-In-One

Generation

Solar System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

750 MHz

-

Boost Clock

825 MHz

1000 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

36.00GB/s

Render Config

6

Compute Units

5

-

384

Shading Units

320

24

TMUs

20

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

6.600 GPixel/s

14.40 GTexel/s

Texture Rate

16.50 GTexel/s

-

460.8 GFLOPS

FP32 (float)

528.0 GFLOPS

28.80 GFLOPS

FP64 (double)

33.00 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

Sun

Mars XT

GPU Variant

-

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

0.69 billion

77 mm²

Die Size

56 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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