NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon RX 6500 XT

VS

NVIDIA GeForce RTX 3080 Ti 20 GB AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 4GB VRAM Radeon RX 6500 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

More VRAM (20GB vs 4GB)

Larger VRAM bandwidth (760.3GB/s vs 143.9GB/s)

9216 additional rendering cores

AMD Radeon RX 6500 XT 's Advantages

Boost Clock has increased by 69% (2815MHz vs 1665MHz)

Lower TDP (107W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +491%

34.1 TFLOPS

Radeon RX 6500 XT

5.765 TFLOPS

Blender

GeForce RTX 3080 Ti 20 GB +972%

6294

Radeon RX 6500 XT

587

GeForce RTX 3080 Ti 20 GB

VS

Radeon RX 6500 XT

Graphics Card

Jan 2022

Release Date

Jan 2022

GeForce 30

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1335 MHz

Base Clock

2310 MHz

1665 MHz

Boost Clock

2815 MHz

1188 MHz

Memory Clock

2248 MHz

Memory

20GB

Memory Size

4GB

GDDR6X

Memory Type

GDDR6

320bit

Memory Bus

64bit

760.3GB/s

Bandwidth

143.9GB/s

Render Config

80

SM Count

-

Compute Units

16

10240

Shading Units

1024

320

TMUs

64

112

ROPs

32

320

Tensor Cores

-

80

RT Cores

16

128 KB (per SM)

L1 Cache

128 KB per Array

6 MB

L2 Cache

1024 KB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

90.08 GPixel/s

532.8 GTexel/s

Texture Rate

180.2 GTexel/s

34.10 TFLOPS

FP16 (half)

11.53 TFLOPS

34.10 TFLOPS

FP32 (float)

5.765 TFLOPS

532.8 GFLOPS

FP64 (double)

360.3 GFLOPS

Graphics Processor

GA102

GPU Name

Navi 24

GA102-225-A1

GPU Variant

Navi 24 XT (215-135000006)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

6 nm

28.3 billion

Transistors

5.4 billion

628 mm²

Die Size

107 mm²

Board Design

350W

TDP

107W

750 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 12-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.6

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