NVIDIA GeForce GTX 1660 SUPER vs NVIDIA GeForce RTX 5090

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GeForce GTX 1660 SUPER compared with GeForce RTX 5090

	NVIDIAGeForce GTX 1660 SUPER	NVIDIAGeForce RTX 5090
Overview
Released
Released	October 2019	January 2025
Performance
Chip maker
Chip maker	NVIDIA	NVIDIA
Architecture
Architecture	Turing	Blackwell
Shader cores
Shader cores	1,408	21,760
Boost clock
Boost clock	1,785 MHz	2,407 MHz (better)
Architecture
Architecture	NVIDIA reference GPU figures; the photo shows PNY's stock-clock Single Fan partner card. There is no retail Founders Edition.	GB202 GPU; 170 SMs, 680 texture units, 176 ROPs
Manufacturing process
Manufacturing process	–	TSMC 4nm (4N NVIDIA custom process); 92.2 billion transistors; 750 mm² die
Ray tracing
Ray tracing	No hardware RT Cores	170 fourth-generation RT Cores; 318 RT TFLOPS
AI cores
AI cores	No Tensor Cores	680 fifth-generation Tensor Cores; 3352 AI TOPS
Upscaling and frame generation
Upscaling and frame generation	No NVIDIA DLSS support	DLSS 4.5 with Super Resolution, DLAA, Ray Reconstruction, Frame Generation, Multi Frame Generation and Dynamic Multi Frame Generation
Base clock
Base clock	1,530 MHz	2.01 GHz
Cache
Cache	–	96 MB L2
Memory
Video memory
Video memory	6 GB GDDR6	32 GB GDDR7 (better)
Memory bus
Memory bus	192-bit	512-bit (better)
Memory bandwidth
Memory bandwidth	336 GB/s	1,792 GB/s (better)
Memory detail
Memory detail	14 Gbps GDDR6; PNY publishes 336 GB/sec bandwidth	GDDR7 at 28 Gbps
Connections and power
Board power
Board power	125 W (better)	575 W
Interface
Interface	PCIe 3.0	PCIe 5.0
Display outputs
Display outputs	Pictured PNY Single Fan has DisplayPort 1.4, HDMI 2.0b and DVI-D; partner layouts vary	3 × DisplayPort 2.1b (UHBR20), 1 × HDMI 2.1b; up to 4 displays; HDCP 2.3
Maximum resolution
Maximum resolution	7680 × 4320 on PNY's specification	4K at 480 Hz or 8K at 165 Hz with DSC
Power connector
Power connector	1 × 8-pin	1 × 600 W PCIe Gen 5 cable, or 4 × PCIe 8-pin cables with the adapter in the box
Recommended power supply
Recommended power supply	NVIDIA specifies 450 W; requirements depend on the system	1000 W
Slot width
Slot width	Two slots for PNY's pictured Single Fan and NVIDIA's reference specification	2-slot (Founders Edition)
Size (reference card)
Size (reference card)	NVIDIA reference is 145 × 111 mm; pictured PNY Single Fan is 1.57 × 6.61 × 4.96 inches	304 × 137 mm, 2-slot (Founders Edition)
Video encode and decode
Video encode and decode	Turing NVIDIA Encoder; PNY specifies PCIe 3.0 x16	3 × ninth-generation NVENC, 2 × sixth-generation NVDEC; AV1 encode and decode