AMD Radeon RX 580 OEM vs AMD Radeon RX 6500 XT

VS

AMD Radeon RX 580 OEM

AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 OEM and 4GB VRAM Radeon RX 6500 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 OEM 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 143.9GB/s)

1280 additional rendering cores

AMD Radeon RX 6500 XT 's Advantages

Released 5 years and 7 months late

Boost Clock has increased by 122% (2815MHz vs 1266MHz)

Lower TDP (107W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 580 OEM +1%

5.834 TFLOPS

Radeon RX 6500 XT

5.765 TFLOPS

Radeon RX 580 OEM

VS

Radeon RX 6500 XT

Graphics Card

Jun 2016

Release Date

Jan 2022

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1120 MHz

Base Clock

2310 MHz

1266 MHz

Boost Clock

2815 MHz

2000 MHz

Memory Clock

2248 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

143.9GB/s

Render Config

36

Compute Units

16

-

2304

Shading Units

1024

144

TMUs

64

32

ROPs

32

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

2 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

40.51 GPixel/s

Pixel Rate

90.08 GPixel/s

182.3 GTexel/s

Texture Rate

180.2 GTexel/s

5.834 TFLOPS

FP16 (half)

11.53 TFLOPS

5.834 TFLOPS

FP32 (float)

5.765 TFLOPS

364.6 GFLOPS

FP64 (double)

360.3 GFLOPS

Board Design

150W

TDP

107W

450 W

Suggested PSU

300 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Ellesmere

GPU Name

Navi 24

Polaris 10 XT (215-0876184)

GPU Variant

Navi 24 XT (215-135000006)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

5.7 billion

Transistors

5.4 billion

232 mm²

Die Size

107 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

6.4

Shader Model

6.6

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