NVIDIA GeForce GT 645 OEM vs AMD Radeon RX 560D

VS

NVIDIA GeForce GT 645 OEM

AMD Radeon RX 560D

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 4GB VRAM Radeon RX 560D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560D 's Advantages

Released 5 years and 3 months late

Boost Clock1175MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 91.87GB/s)

608 additional rendering cores

Lower TDP (65W vs 102W)

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

Radeon RX 560D +135%

2.106 TFLOPS

GeForce GT 645 OEM

VS

Radeon RX 560D

Graphics Card

Apr 2012

Release Date

Jul 2017

GeForce 600

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1090 MHz

-

Boost Clock

1175 MHz

957 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

91.87GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

14

6

SM Count

-

288

Shading Units

896

48

TMUs

56

24

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

1024 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

18.80 GPixel/s

37.25 GTexel/s

Texture Rate

65.80 GTexel/s

-

FP16 (half)

2.106 TFLOPS

894.0 GFLOPS

FP32 (float)

2.106 TFLOPS

74.50 GFLOPS

FP64 (double)

131.6 GFLOPS

Board Design

102W

TDP

65W

300 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

Polaris 21

-

GPU Variant

Polaris 21 XL

Fermi 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.95 billion

Transistors

3 billion

332 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.4

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