AMD Radeon HD 8590M vs AMD Radeon HD 8790M

VS

AMD Radeon HD 8590M

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8590M and 2GB VRAM Radeon HD 8790M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8790M 's Advantages

Boost Clock has increased by 9% (900MHz vs 825MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 36.00GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8590M

0.528 TFLOPS

Radeon HD 8790M +30%

0.691 TFLOPS

Radeon HD 8590M

VS

Radeon HD 8790M

Graphics Card

Mar 2013

Release Date

Apr 2013

Solar System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

750 MHz

Base Clock

850 MHz

825 MHz

Boost Clock

900 MHz

1125 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

36.00GB/s

Bandwidth

64.00GB/s

Render Config

5

Compute Units

6

-

320

Shading Units

384

20

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

7.200 GPixel/s

16.50 GTexel/s

Texture Rate

21.60 GTexel/s

-

528.0 GFLOPS

FP32 (float)

691.2 GFLOPS

33.00 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Mars

-

GPU Variant

Mars M2 XTX (216-0842036)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

0.95 billion

56 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5 (5.1)

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