AMD Radeon RX 6600 LE vs NVIDIA GeForce GTX 660 Ti

VS

AMD Radeon RX 6600 LE

NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 2GB VRAM GeForce GTX 660 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 11 years and 4 months late

Boost Clock has increased by 155% (2495MHz vs 980MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 144.2GB/s)

448 additional rendering cores

Lower TDP (132W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 LE +239%

8.942 TFLOPS

GeForce GTX 660 Ti

2.634 TFLOPS

Radeon RX 6600 LE

VS

GeForce GTX 660 Ti

Graphics Card

Dec 2023

Release Date

Aug 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1626 MHz

Base Clock

915 MHz

2495 MHz

Boost Clock

980 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

192bit

224.0GB/s

Bandwidth

144.2GB/s

Render Config

28

Compute Units

-

1792

Shading Units

1344

112

TMUs

112

64

ROPs

24

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

384 KB

32 MB

L3 Cache

-

Theoretical Performance

159.7 GPixel/s

Pixel Rate

27.44 GPixel/s

279.4 GTexel/s

Texture Rate

109.8 GTexel/s

17.88 TFLOPS

FP16 (half)

-

8.942 TFLOPS

FP32 (float)

2.634 TFLOPS

558.9 GFLOPS

FP64 (double)

109.8 GFLOPS

Board Design

132W

TDP

150W

300 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 23

GPU Name

GK104

Navi 23 XL (215-130000016)

GPU Variant

GK104-300-KD-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

3.54 billion

237 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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