AMD Radeon HD 7590M vs AMD Radeon HD 8770M

VS

AMD Radeon HD 7590M

AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7590M and 2GB VRAM Radeon HD 8770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7590M 's Advantages

96 additional rendering cores

AMD Radeon HD 8770M 's Advantages

Released 1 years and 3 months late

Boost Clock825MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7590M

0.576 TFLOPS

Radeon HD 8770M +9%

0.633 TFLOPS

Radeon HD 7590M

VS

Radeon HD 8770M

Graphics Card

Jan 2012

Release Date

Apr 2013

London

Generation

Solar System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

775 MHz

-

Boost Clock

825 MHz

800 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

72.00GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

384

24

TMUs

24

8

ROPs

8

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

6.600 GPixel/s

14.40 GTexel/s

Texture Rate

19.80 GTexel/s

-

576.0 GFLOPS

FP32 (float)

633.6 GFLOPS

-

FP64 (double)

39.60 GFLOPS

Board Design

18W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Thames

GPU Name

Mars

Thames XT (216-0833000)

GPU Variant

Mars S3 XT (216-0842018)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

0.95 billion

104 mm²

Die Size

77 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5 (5.1)

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