AMD Radeon HD 8590M vs NVIDIA GeForce GTX 660M

VS

AMD Radeon HD 8590M

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8590M and 1024MB VRAM GeForce GTX 660M 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 late

NVIDIA GeForce GTX 660M 's Advantages

Boost Clock has increased by 15% (950MHz vs 825MHz)

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

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8590M

0.528 TFLOPS

GeForce GTX 660M +38%

0.73 TFLOPS

Radeon HD 8590M

VS

GeForce GTX 660M

Graphics Card

Mar 2013

Release Date

Mar 2012

Solar System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

750 MHz

Base Clock

835 MHz

825 MHz

Boost Clock

950 MHz

1125 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

36.00GB/s

Bandwidth

64.00GB/s

Render Config

5

Compute Units

-

320

Shading Units

384

20

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

7.600 GPixel/s

16.50 GTexel/s

Texture Rate

30.40 GTexel/s

-

528.0 GFLOPS

FP32 (float)

729.6 GFLOPS

33.00 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

Unknown

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

GK107

-

GPU Variant

N13E-GE-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.27 billion

56 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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