AMD Radeon RX 570 vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon RX 570 NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 570 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570 's Advantages

Released 5 years late

Boost Clock1244MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (224.0GB/s vs 91.87GB/s)

1760 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 570 +469%

5.095 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

Radeon RX 570

VS

GeForce GT 645 OEM

Graphics Card

Apr 2017

Release Date

Apr 2012

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1168 MHz

Base Clock

-

1244 MHz

Boost Clock

-

1750 MHz

Memory Clock

957 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

224.0GB/s

Bandwidth

91.87GB/s

Render Config

-

SM Count

6

32

Compute Units

-

2048

Shading Units

288

128

TMUs

48

32

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

384 KB

Theoretical Performance

39.81 GPixel/s

Pixel Rate

9.312 GPixel/s

159.2 GTexel/s

Texture Rate

37.25 GTexel/s

5.095 TFLOPS

FP16 (half)

-

5.095 TFLOPS

FP32 (float)

894.0 GFLOPS

318.5 GFLOPS

FP64 (double)

74.50 GFLOPS

Graphics Processor

Polaris 20

GPU Name

GF114

Polaris 20 XL (215-0910052)

GPU Variant

-

GCN 4.0

Architecture

Fermi 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.95 billion

232 mm²

Die Size

332 mm²

Board Design

150W

TDP

102W

450 W

Suggested PSU

300 W

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

-

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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