AMD Radeon RX 6600 XT vs NVIDIA GeForce GTX 1660 Ti Laptop Full Specs

Summary

2,048 Shaders 2.59GHz	1,536 Shaders 1.59GHz
8GB GDDR6256GB/s	6GB GDDR6288GB/s
Peak·FP32·FP16 10.6 TFLOPS	Peak·FP32·FP16 4.88 TFLOPS
Form Factor PCIe Card	Form Factor Soldered
TDP 160W	TDP 80W
Power Connectors 1x 8-Pin	Power Connectors -

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth TDP

Radeon RX 6600 XT21.21 TFLOPSFP16

x2.17

GeForce GTX 1660 Ti Laptop9.77 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed2589MHz UC·Base·Boost·OC	Clock Speed1590MHz UC·Base·Boost·OC
Peak OPS 21.21 TFLOPSFP16	Peak OPS 9.77 TFLOPSFP16
FP32 10.6 TFLOPS	FP32 4.88 TFLOPS
FP64 662.8 GFLOPS	FP64 152.6 GFLOPS
Pixel Rate 165.7 GPixel/s	Pixel Rate 76.3 GPixel/s
Texture Rate 331.4 GTexel/s	Texture Rate 152.6 GTexel/s

Core Config

Shaders 2,048 Shaders	Shaders 1,536 Shaders
TMUs 128 TMUs	TMUs 96 TMUs
ROPs 64 ROPs	ROPs 48 ROPs
RT Cores 32 RT-Cores	RT Cores -
CUs 32 CUs	SMs 24 SMs

Clocks

Base Clock 1.97GHz	Base Clock 1.46GHz
Boost Clock 2.59GHz	Boost Clock 1.59GHz

Cache

L2 Cache 2MB shared	L2 Cache 1.5MB shared
L3 Cache 32MB shared	L3 Cache -
L3 Bandwidth 832GB/s	L3 Bandwidth -

Memory

8GB GDDR6	6GB GDDR6
Memory Bus 128-bit	Memory Bus 192-bit
Memory Speed 16GT/s	Memory Speed 12GT/s
Memory Bandwidth 256GB/s	Memory Bandwidth 288GB/s

Power & Thermals

TDP 160W	TDP 80W
Max Temp 110°C Max	Max Temp -

Video Output

Multi-Monitor 4	Multi-Monitor 3
HDCP HDCP 2.3	HDCP HDCP 2.2

Ports

3x DisplayPort 1.4	-
1x HDMI 2.1	-

Encoder

Encoder Model VCN 3.0

Encoder Model NVENC 7

Decoder

Decoder Model VCN 3.0

Decoder Model NVDEC 4

Card

Form Factor PCIe Card	Form Factor Soldered
PCIe 2-Slots	PCIe -
Height 110 mm (4.33") Width 190 mm (7.48") Depth 40 mm (1.57")	-
Cooling Open-Air 1x Fan	Cooling Open-Air -
Power Connectors 1x 8-Pin	Power Connectors -

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture RDNA 2	Architecture Turing
Family Radeon RX 6000	Family GeForce 16
Branding	Branding
Codename Dimgrey Cavefish	Codename NV168
Chip Variant Navi 23 XL	Chip Variant TU116-250-KA-A1
Market Segment Desktop	Market Segment Laptop
Release Date Aug 11, 2021	Release Date Apr 23, 2019

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N7	Fabrication Node 12FFN
Die Size 237mm²	Die Size 284mm²
Transistor Count 11.1 Billion	Transistor Count 6.6 Billion
Transistor Density 46.67 MTr/mm²	Transistor Density 23.24 MTr/mm²

Images

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Used In

Laptops -	Laptops Blade 15(Early 2019)Blade 15(Early 2020)Blade 15(Late 2020)
Desktops Aurora(R13, Late 2021)Aurora(R14, Late 2021)Envy(Early 2022) Show 3 more	Desktops -

Competitors

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NVIDIAGeForce GTX 1660 Ti Laptop vs GPU NVIDIAGeForce RTX 5050 Laptop 50W NVIDIAGeForce GTX 1660 Ti Laptop vs GPU NVIDIAGeForce RTX 5050 Laptop 80W NVIDIAGeForce GTX 1660 Ti Laptop vs GPU NVIDIAGeForce RTX 5050 Laptop 100W Show 12 more