AMD Radeon HD 8590M vs NVIDIA GeForce GT 640M

VS

AMD Radeon HD 8590M

NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8590M and 2GB VRAM GeForce GT 640M 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

Boost Clock825MHz

Larger VRAM bandwidth (36.00GB/s vs 28.80GB/s)

NVIDIA GeForce GT 640M 's Advantages

More VRAM (2GB vs 1024GB)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8590M +10%

0.528 TFLOPS

GeForce GT 640M

0.48 TFLOPS

Radeon HD 8590M

VS

GeForce GT 640M

Graphics Card

Mar 2013

Release Date

Mar 2012

Solar System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

750 MHz

Base Clock

-

825 MHz

Boost Clock

-

1125 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

36.00GB/s

Bandwidth

28.80GB/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

5.000 GPixel/s

16.50 GTexel/s

Texture Rate

20.00 GTexel/s

-

528.0 GFLOPS

FP32 (float)

480.0 GFLOPS

33.00 GFLOPS

FP64 (double)

20.00 GFLOPS

Board Design

Unknown

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

GK107

-

GPU Variant

N13P-GS

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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