AMD Radeon RX 560X vs NVIDIA GeForce GT 640 OEM Rebrand

VS

AMD Radeon RX 560X

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 560X and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560X 's Advantages

Released 6 years late

Boost Clock1275MHz

More VRAM (4GB vs 1536GB)

Larger VRAM bandwidth (112.0GB/s vs 38.40GB/s)

880 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 560X +529%

2.611 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon RX 560X

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Apr 2018

Release Date

Apr 2012

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1175 MHz

Base Clock

-

1275 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1536MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

192bit

112.0GB/s

Bandwidth

38.40GB/s

Render Config

16

Compute Units

-

SM Count

3

1024

Shading Units

144

64

TMUs

24

16

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

384 KB

-

Theoretical Performance

20.40 GPixel/s

Pixel Rate

4.320 GPixel/s

81.60 GTexel/s

Texture Rate

17.28 GTexel/s

2.611 TFLOPS

FP16 (half)

-

2.611 TFLOPS

FP32 (float)

414.7 GFLOPS

163.2 GFLOPS

FP64 (double)

34.56 GFLOPS

Board Design

75W

TDP

75W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Processor

Polaris 21

GPU Name

GF116

Polaris 21 XT (215-0908004)

GPU Variant

GF116-150-A1

GCN 4.0

Architecture

Fermi 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

1.17 billion

123 mm²

Die Size

238 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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