AMD Radeon RX 6600 LE vs NVIDIA GeForce GTX 1660 Ti

VS

AMD Radeon RX 6600 LE

NVIDIA GeForce GTX 1660 Ti

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 6GB VRAM GeForce GTX 1660 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 LE 's Advantages

Released 4 years and 10 months late

Boost Clock has increased by 41% (2495MHz vs 1770MHz)

More VRAM (8GB vs 6GB)

256 additional rendering cores

NVIDIA GeForce GTX 1660 Ti 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 224.0GB/s)

Lower TDP (120W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 LE +64%

8.942 TFLOPS

GeForce GTX 1660 Ti

5.437 TFLOPS

Radeon RX 6600 LE

VS

GeForce GTX 1660 Ti

Graphics Card

Dec 2023

Release Date

Feb 2019

Navi II

Generation

GeForce 16

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1626 MHz

Base Clock

1500 MHz

2495 MHz

Boost Clock

1770 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

6GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

192bit

224.0GB/s

Bandwidth

288.0GB/s

Render Config

28

Compute Units

-

SM Count

24

1792

Shading Units

1536

112

TMUs

96

64

ROPs

48

-

28

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

1536 KB

32 MB

L3 Cache

-

Theoretical Performance

159.7 GPixel/s

Pixel Rate

84.96 GPixel/s

279.4 GTexel/s

Texture Rate

169.9 GTexel/s

17.88 TFLOPS

FP16 (half)

10.87 TFLOPS

8.942 TFLOPS

FP32 (float)

5.437 TFLOPS

558.9 GFLOPS

FP64 (double)

169.9 GFLOPS

Board Design

132W

TDP

120W

300 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0 1x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 23

GPU Name

TU116

Navi 23 XL (215-130000016)

GPU Variant

TU116-400-A1

RDNA 2.0

Architecture

Turing

TSMC

Foundry

TSMC

7 nm

Process Size

12 nm

11.06 billion

Transistors

6.6 billion

237 mm²

Die Size

284 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

7.5

6.7

Shader Model

6.6

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