AMD Radeon RX 6600 XT vs AMD Radeon RX 5600 OEM

VS

AMD Radeon RX 6600 XT

AMD Radeon RX 5600 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 6GB VRAM Radeon RX 5600 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 1 years and 6 months late

Boost Clock has increased by 66% (2589MHz vs 1560MHz)

More VRAM (8GB vs 6GB)

AMD Radeon RX 5600 OEM 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 256.0GB/s)

Lower TDP (125W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +65%

10.6 TFLOPS

Radeon RX 5600 OEM

6.39 TFLOPS

Radeon RX 6600 XT

VS

Radeon RX 5600 OEM

Graphics Card

Jul 2021

Release Date

Jan 2020

Navi II

Generation

Navi

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1968 MHz

Base Clock

1130 MHz

2589 MHz

Boost Clock

1560 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

6GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

192bit

256.0GB/s

Bandwidth

288.0GB/s

Render Config

32

Compute Units

32

-

2048

Shading Units

2048

128

TMUs

128

64

ROPs

64

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

3 MB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

99.84 GPixel/s

331.4 GTexel/s

Texture Rate

199.7 GTexel/s

21.21 TFLOPS

FP16 (half)

12.78 TFLOPS

10.60 TFLOPS

FP32 (float)

6.390 TFLOPS

662.8 GFLOPS

FP64 (double)

399.4 GFLOPS

Board Design

160W

TDP

125W

450 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 23

GPU Name

Navi 10

Navi 23 XT (215-130000006)

GPU Variant

Navi 10 XE

RDNA 2.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

11.06 billion

Transistors

10.3 billion

237 mm²

Die Size

251 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.7

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