NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon RX 6600 LE

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

AMD Radeon RX 6600 LE

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 8GB VRAM Radeon RX 6600 LE 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 8GB)

Larger VRAM bandwidth (760.3GB/s vs 224.0GB/s)

8448 additional rendering cores

AMD Radeon RX 6600 LE 's Advantages

Released 1 years and 11 months late

Boost Clock has increased by 50% (2495MHz vs 1665MHz)

Lower TDP (132W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +281%

34.1 TFLOPS

Radeon RX 6600 LE

8.942 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

Radeon RX 6600 LE

Graphics Card

Jan 2022

Release Date

Dec 2023

GeForce 30

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1335 MHz

Base Clock

1626 MHz

1665 MHz

Boost Clock

2495 MHz

1188 MHz

Memory Clock

1750 MHz

Memory

20GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR6

320bit

Memory Bus

128bit

760.3GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

80

SM Count

-

10240

Shading Units

1792

320

TMUs

112

ROPs

64

320

Tensor Cores

-

80

RT Cores

28

128 KB (per SM)

L1 Cache

128 KB per Array

6 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

159.7 GPixel/s

532.8 GTexel/s

Texture Rate

279.4 GTexel/s

34.10 TFLOPS

FP16 (half)

17.88 TFLOPS

34.10 TFLOPS

FP32 (float)

8.942 TFLOPS

532.8 GFLOPS

FP64 (double)

558.9 GFLOPS

Board Design

350W

TDP

132W

750 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 12-pin

Power Connectors

1x 8-pin

Graphics Processor

GA102

GPU Name

Navi 23

GA102-225-A1

GPU Variant

Navi 23 XL (215-130000016)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

28.3 billion

Transistors

11.06 billion

628 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.7

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