AMD Radeon RX 6800 XT vs AMD Radeon RX 6500 XT

VS

AMD Radeon RX 6800 XT AMD Radeon RX 6500 XT

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

More VRAM (16GB vs 4GB)

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

3584 additional rendering cores

AMD Radeon RX 6500 XT 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 25% (2815MHz vs 2250MHz)

Lower TDP (107W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +259%

20.74 TFLOPS

Radeon RX 6500 XT

5.765 TFLOPS

3DMark Time Spy

Radeon RX 6800 XT +295%

19428

Radeon RX 6500 XT

4918

Blender

Radeon RX 6800 XT +350%

2647

Radeon RX 6500 XT

587

Shadow of the Tomb Raider 2160p

Radeon RX 6800 XT +380%

72

Radeon RX 6500 XT

15

Shadow of the Tomb Raider 1440p

Radeon RX 6800 XT +332%

134

Radeon RX 6500 XT

31

Shadow of the Tomb Raider 1080p

Radeon RX 6800 XT +300%

188

Radeon RX 6500 XT

47

Cyberpunk 2077 2160p

Radeon RX 6800 XT +328%

60

Radeon RX 6500 XT

14

Cyberpunk 2077 1440p

Radeon RX 6800 XT +263%

69

Radeon RX 6500 XT

19

Cyberpunk 2077 1080p

Radeon RX 6800 XT +229%

102

Radeon RX 6500 XT

31

Battlefield 5 2160p

Radeon RX 6800 XT +285%

104

Radeon RX 6500 XT

27

Battlefield 5 1440p

Radeon RX 6800 XT +244%

179

Radeon RX 6500 XT

52

Battlefield 5 1080p

Radeon RX 6800 XT +188%

199

Radeon RX 6500 XT

69

GTA 5 2160p

Radeon RX 6800 XT +270%

111

Radeon RX 6500 XT

30

GTA 5 1440p

Radeon RX 6800 XT +220%

138

Radeon RX 6500 XT

43

GTA 5 1080p

Radeon RX 6800 XT +85%

178

Radeon RX 6500 XT

96

Radeon RX 6800 XT

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

1825 MHz

Base Clock

2310 MHz

2250 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

-

SM Count

-

72

Compute Units

16

4608

Shading Units

1024

288

TMUs

64

128

ROPs

32

-

Tensor Cores

-

72

RT Cores

16

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

1024 KB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

90.08 GPixel/s

648.0 GTexel/s

Texture Rate

180.2 GTexel/s

41.47 TFLOPS

FP16 (half)

11.53 TFLOPS

20.74 TFLOPS

FP32 (float)

5.765 TFLOPS

1296 GFLOPS

FP64 (double)

360.3 GFLOPS

Graphics Processor

Navi 21

GPU Name

Navi 24

Navi 21 XT (215-121000177)

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

Board Design

300W

TDP

107W

700 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 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

-

CUDA

-

6.5

Shader Model

6.6

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