AMD Radeon RX 580 2048SP vs NVIDIA GeForce GTX 645 OEM

VS

AMD Radeon RX 580 2048SP NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 580 2048SP and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 2048SP 's Advantages

Released 5 years and 6 months late

Boost Clock1284MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)

1472 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 580 2048SP +454%

5.259 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon RX 580 2048SP

VS

GeForce GTX 645 OEM

Graphics Card

Oct 2018

Release Date

Apr 2013

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1168 MHz

Base Clock

-

1284 MHz

Boost Clock

-

1750 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

576

128

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

Theoretical Performance

41.09 GPixel/s

Pixel Rate

9.888 GPixel/s

164.4 GTexel/s

Texture Rate

39.55 GTexel/s

5.259 TFLOPS

FP16 (half)

-

5.259 TFLOPS

FP32 (float)

949.2 GFLOPS

328.7 GFLOPS

FP64 (double)

39.55 GFLOPS

Graphics Processor

Polaris 20

GPU Name

GK106

Polaris 20 XL (215-0910052)

GPU Variant

GK106-200-A1

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.54 billion

232 mm²

Die Size

221 mm²

Board Design

150W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

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

1x 8-pin

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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