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

Summary

1,792 Shaders 2.18GHz	1,536 Shaders 1.59GHz
8GB GDDR6256GB/s	6GB GDDR6288GB/s
Peak·FP32·FP16 7.8 TFLOPS	Peak·FP32·FP16 4.88 TFLOPS
Form Factor Soldered	Form Factor Soldered
TDP 100W	TDP 80W

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth TDP

Radeon RX 6600M15.6 TFLOPSFP16

x1.60

GeForce GTX 1660 Ti Laptop9.77 TFLOPSFP16

x1

Show Top Score

Theoretical Performance

Clock Speed2177MHz UC·Base·Boost·OC	Clock Speed1590MHz UC·Base·Boost·OC
Peak OPS 15.6 TFLOPSFP16	Peak OPS 9.77 TFLOPSFP16
FP16 15.6 TFLOPS	FP16 9.77 TFLOPS
FP32 7.8 TFLOPS	FP32 4.88 TFLOPS
FP64 487.7 GFLOPS	FP64 152.6 GFLOPS
Pixel Rate 139.3 GPixel/s	Pixel Rate 76.3 GPixel/s
Texture Rate 243.8 GTexel/s	Texture Rate 152.6 GTexel/s

Core Config

Shaders 1,792 Shaders	Shaders 1,536 Shaders
TMUs 112 TMUs	TMUs 96 TMUs
ROPs 64 ROPs	ROPs 48 ROPs
RT Cores 28 RT-Cores	RT Cores -
CUs 28 CUs	SMs 24 SMs

Clocks

Base Clock 1.49GHz	Base Clock 1.46GHz
Boost Clock 2.18GHz	Boost Clock 1.59GHz

Cache

L0 Cache 32KB/WGP	L0 Cache -
L1 128KB/Array	L1 32KB/SM Tex
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
ECC No	ECC No

Power & Thermals

TDP 100W

TDP 80W

Video Output

Max Resolution 7680x4320	Max Resolution 7680x4320
Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 120Hz	Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 60Hz
Multi-Monitor 3	Multi-Monitor 3
Adaptive Sync - FreeSync	Adaptive Sync G-Sync FreeSync
DSC Supported	DSC Supported
HDCP HDCP 2.3	HDCP HDCP 2.2

API Support

Shader Model 6.5	Shader Model 6.6
DirectX DirectX 12 Direct3D 12_2	DirectX DirectX 12 Direct3D 12_1
OpenGL 4.6 OpenCL 2.1 Vulkan 1.2	OpenGL 4.6 OpenCL 3 Vulkan 1.2
CUDA - GFX 10.3 PureVideo HD - VDPAU -	CUDA 7.5 GFX - PureVideo HD VP10 VDPAU Feature Set J

Encoder

Encoder VCN 3.0	Encoder NVENC 7
Codec AVC (H.264) HEVC (H.265)	Codec AVC (H.264) HEVC (H.265)

Decoder

Decoder VCN 3.0	Decoder NVDEC 4
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - VP9 AVC (H.264) HEVC (H.265) AV1	Codec MPEG-1 MPEG-2 MPEG-4 - VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) -

Card

Form Factor Soldered	Form Factor Soldered
PCIe PCIe 4.0 x8	PCIe PCIe 3.0 x16
Multi-GPU Multi-GPU Support Supported Multi-GPU Type Bridgeless	Multi-GPU -

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 Laptop	Market Segment Laptop
Release Date May 31, 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 11.1B	Transistor Count 6.6B
Transistor Density 46.67 MTr/mm²	Transistor Density 23.24 MTr/mm²

Images