AMD Radeon RX 560X vs NVIDIA GeForce GT 640

VS

AMD Radeon RX 560X NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 560X and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560X 's Advantages

Released 5 years and 10 months late

Boost Clock1275MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (112.0GB/s vs 28.51GB/s)

640 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 75W)

Score

Benchmark

FP32 (float)

Radeon RX 560X +276%

2.611 TFLOPS

GeForce GT 640

0.693 TFLOPS

Radeon RX 560X

VS

GeForce GT 640

Graphics Card

Apr 2018

Release Date

Jun 2012

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1175 MHz

Base Clock

-

1275 MHz

Boost Clock

-

1750 MHz

Memory Clock

891 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

112.0GB/s

Bandwidth

28.51GB/s

Render Config

-

SM Count

-

16

Compute Units

-

1024

Shading Units

384

64

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

Theoretical Performance

20.40 GPixel/s

Pixel Rate

7.216 GPixel/s

81.60 GTexel/s

Texture Rate

28.86 GTexel/s

2.611 TFLOPS

FP16 (half)

-

2.611 TFLOPS

FP32 (float)

692.7 GFLOPS

163.2 GFLOPS

FP64 (double)

28.86 GFLOPS

Graphics Processor

Polaris 21

GPU Name

GK107

Polaris 21 XT (215-0908004)

GPU Variant

GK107-300-A2

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.27 billion

123 mm²

Die Size

118 mm²

Board Design

75W

TDP

65W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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