AMD Radeon RX 6600 vs NVIDIA GeForce GTX 1660 Ti

VS

AMD Radeon RX 6600 NVIDIA GeForce GTX 1660 Ti

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 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 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 41% (2491MHz 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 +64%

8.928 TFLOPS

GeForce GTX 1660 Ti

5.437 TFLOPS

3DMark Time Spy

Radeon RX 6600 +29%

8083

GeForce GTX 1660 Ti

6261

Shadow of the Tomb Raider 2160p

Radeon RX 6600 +21%

34

GeForce GTX 1660 Ti

28

Shadow of the Tomb Raider 1440p

Radeon RX 6600 +36%

71

GeForce GTX 1660 Ti

52

Shadow of the Tomb Raider 1080p

Radeon RX 6600 +57%

126

GeForce GTX 1660 Ti

80

Battlefield 5 2160p

Radeon RX 6600

44

GeForce GTX 1660 Ti

44

Battlefield 5 1440p

Radeon RX 6600 +22%

98

GeForce GTX 1660 Ti

80

Battlefield 5 1080p

Radeon RX 6600 +23%

127

GeForce GTX 1660 Ti

103

GTA 5 2160p

Radeon RX 6600

60

GeForce GTX 1660 Ti

60

GTA 5 1440p

Radeon RX 6600 +6%

66

GeForce GTX 1660 Ti

62

GTA 5 1080p

Radeon RX 6600 +18%

182

GeForce GTX 1660 Ti

154

Radeon RX 6600

VS

GeForce GTX 1660 Ti

Graphics Card

Oct 2021

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

2491 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

-

SM Count

24

28

Compute Units

-

1792

Shading Units

1536

112

TMUs

96

64

ROPs

48

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

1536 KB

Theoretical Performance

159.4 GPixel/s

Pixel Rate

84.96 GPixel/s

279.0 GTexel/s

Texture Rate

169.9 GTexel/s

17.86 TFLOPS

FP16 (half)

10.87 TFLOPS

8.928 TFLOPS

FP32 (float)

5.437 TFLOPS

558.0 GFLOPS

FP64 (double)

169.9 GFLOPS

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

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 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

6.5

Shader Model

6.6

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