AMD Radeon RX 580 OEM vs AMD Radeon RX 6600 LE

VS

AMD Radeon RX 580 OEM AMD Radeon RX 6600 LE

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 OEM and 8GB VRAM Radeon RX 6600 LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 OEM 's Advantages

Larger VRAM bandwidth (256.0GB/s vs 224.0GB/s)

512 additional rendering cores

AMD Radeon RX 6600 LE 's Advantages

Released 7 years and 6 months late

Boost Clock has increased by 97% (2495MHz vs 1266MHz)

Lower TDP (132W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 580 OEM

5.834 TFLOPS

Radeon RX 6600 LE +53%

8.942 TFLOPS

Radeon RX 580 OEM

VS

Radeon RX 6600 LE

Graphics Card

Jun 2016

Release Date

Dec 2023

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1120 MHz

Base Clock

1626 MHz

1266 MHz

Boost Clock

2495 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

36

Compute Units

28

2304

Shading Units

1792

144

TMUs

112

32

ROPs

64

-

Tensor Cores

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

Theoretical Performance

40.51 GPixel/s

Pixel Rate

159.7 GPixel/s

182.3 GTexel/s

Texture Rate

279.4 GTexel/s

5.834 TFLOPS

FP16 (half)

17.88 TFLOPS

5.834 TFLOPS

FP32 (float)

8.942 TFLOPS

364.6 GFLOPS

FP64 (double)

558.9 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Navi 23

Polaris 10 XT (215-0876184)

GPU Variant

Navi 23 XL (215-130000016)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

5.7 billion

Transistors

11.06 billion

232 mm²

Die Size

237 mm²

Board Design

150W

TDP

132W

450 W

Suggested PSU

300 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.7

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