AMD Radeon RX 6600 vs AMD Radeon RX 7800 XT

VS

AMD Radeon RX 6600

AMD Radeon RX 7800 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Boost Clock has increased by 3% (2491MHz vs 2430MHz)

Lower TDP (132W vs 263W)

AMD Radeon RX 7800 XT 's Advantages

Released 1 years and 10 months late

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (624.1GB/s vs 224.0GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600

8.928 TFLOPS

Radeon RX 7800 XT +318%

37.32 TFLOPS

3DMark Time Spy

Radeon RX 6600

8084

Radeon RX 7800 XT +147%

20031

Shadow of the Tomb Raider 2160p

Radeon RX 6600

34

Radeon RX 7800 XT +141%

82

Shadow of the Tomb Raider 1440p

Radeon RX 6600

71

Radeon RX 7800 XT +122%

158

Shadow of the Tomb Raider 1080p

Radeon RX 6600

126

Radeon RX 7800 XT +85%

234

Cyberpunk 2077 2160p

Radeon RX 6600

24

Radeon RX 7800 XT +58%

38

Cyberpunk 2077 1440p

Radeon RX 6600

31

Radeon RX 7800 XT +164%

82

Cyberpunk 2077 1080p

Radeon RX 6600

50

Radeon RX 7800 XT +152%

126

GTA 5 2160p

Radeon RX 6600

60

Radeon RX 7800 XT +133%

140

GTA 5 1440p

Radeon RX 6600

66

Radeon RX 7800 XT +112%

140

GTA 5 1080p

Radeon RX 6600

182

Radeon RX 7800 XT +4%

190

Radeon RX 6600

VS

Radeon RX 7800 XT

Graphics Card

Oct 2021

Release Date

Aug 2023

Navi II

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1626 MHz

Base Clock

1295 MHz

2491 MHz

Boost Clock

2430 MHz

1750 MHz

Memory Clock

2438 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

624.1GB/s

Render Config

28

Compute Units

60

-

1792

Shading Units

3840

112

TMUs

240

64

ROPs

96

-

28

RT Cores

60

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

4 MB

32 MB

L3 Cache

64 MB

Theoretical Performance

159.4 GPixel/s

Pixel Rate

233.3 GPixel/s

279.0 GTexel/s

Texture Rate

583.2 GTexel/s

17.86 TFLOPS

FP16 (half)

74.65 TFLOPS

8.928 TFLOPS

FP32 (float)

37.32 TFLOPS

558.0 GFLOPS

FP64 (double)

1166 GFLOPS

Board Design

132W

TDP

263W

300 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1a 3x DisplayPort 2.1

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 23

GPU Name

Navi 32

Navi 23 XL (215-130000016)

GPU Variant

Navi 32 XT (215-180000006)

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

11.06 billion

Transistors

28.1 billion

237 mm²

Die Size

346 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

6.5

Shader Model

6.7

Related GPU Comparisons

1

AMD Radeon RX 6600 vs NVIDIA GeForce GTX 780

2

AMD Radeon RX 6600 vs ATI Radeon X1650 AGP

3

AMD Radeon RX 6600 vs NVIDIA GeForce GT 645 OEM

4

AMD Radeon RX 6600 vs ATI FirePro V8800

5

AMD Radeon RX 6600 vs Intel Arc A380

6

AMD Radeon RX 6600 vs AMD Radeon Pro WX 4100

7

AMD Radeon RX 6600 vs NVIDIA GeForce RTX 3060 GA104

8

AMD Radeon RX 6600 vs AMD Radeon HD 8760 OEM

9

AMD Radeon RX 6600 vs NVIDIA GeForce GT 420 OEM

10

AMD Radeon RX 6600 vs AMD Radeon R7 240 OEM

Related News

1

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

2

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

3

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

4

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

5

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

6

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

7

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

8

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

9

World's First! Intel Arc B580 Graphics Card Arrives Early

10

Linux Creator Criticizes AMD and Intel's x86 Microarchitecture: A Complete Disaster