AMD Radeon RX 6800 vs AMD Radeon RX 6500 XT

VS

AMD Radeon RX 6800

AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 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 6800 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 143.9GB/s)

2816 additional rendering cores

AMD Radeon RX 6500 XT 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 34% (2815MHz vs 2105MHz)

Lower TDP (107W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +180%

16.17 TFLOPS

Radeon RX 6500 XT

5.765 TFLOPS

3DMark Time Spy

Radeon RX 6800 +230%

16233

Radeon RX 6500 XT

4918

Shadow of the Tomb Raider 2160p

Radeon RX 6800 +333%

65

Radeon RX 6500 XT

15

Shadow of the Tomb Raider 1440p

Radeon RX 6800 +277%

117

Radeon RX 6500 XT

31

Shadow of the Tomb Raider 1080p

Radeon RX 6800 +257%

168

Radeon RX 6500 XT

47

Cyberpunk 2077 2160p

Radeon RX 6800 +264%

51

Radeon RX 6500 XT

14

Cyberpunk 2077 1440p

Radeon RX 6800 +215%

60

Radeon RX 6500 XT

19

Cyberpunk 2077 1080p

Radeon RX 6800 +180%

87

Radeon RX 6500 XT

31

Battlefield 5 2160p

Radeon RX 6800 +237%

91

Radeon RX 6500 XT

27

Battlefield 5 1440p

Radeon RX 6800 +242%

178

Radeon RX 6500 XT

52

Battlefield 5 1080p

Radeon RX 6800 +181%

194

Radeon RX 6500 XT

69

GTA 5 2160p

Radeon RX 6800 +226%

98

Radeon RX 6500 XT

30

GTA 5 1440p

Radeon RX 6800 +193%

126

Radeon RX 6500 XT

43

GTA 5 1080p

Radeon RX 6800 +77%

170

Radeon RX 6500 XT

96

Radeon RX 6800

VS

Radeon RX 6500 XT

Graphics Card

Oct 2020

Release Date

Jan 2022

Navi II

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1700 MHz

Base Clock

2310 MHz

2105 MHz

Boost Clock

2815 MHz

2000 MHz

Memory Clock

2248 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

143.9GB/s

Render Config

60

Compute Units

16

-

3840

Shading Units

1024

240

TMUs

64

96

ROPs

32

-

60

RT Cores

16

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

1024 KB

128 MB

L3 Cache

16 MB

Theoretical Performance

202.1 GPixel/s

Pixel Rate

90.08 GPixel/s

505.2 GTexel/s

Texture Rate

180.2 GTexel/s

32.33 TFLOPS

FP16 (half)

11.53 TFLOPS

16.17 TFLOPS

FP32 (float)

5.765 TFLOPS

1010 GFLOPS

FP64 (double)

360.3 GFLOPS

Board Design

250W

TDP

107W

600 W

Suggested PSU

300 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 21

GPU Name

Navi 24

Navi 21 XL (215-121000187)

GPU Variant

Navi 24 XT (215-135000006)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

26.8 billion

Transistors

5.4 billion

520 mm²

Die Size

107 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

6.6

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