NVIDIA GeForce GTX 1660 SUPER vs NVIDIA GeForce RTX 5080

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

GeForce GTX 1660 SUPER compared with GeForce RTX 5080
NVIDIAGeForce GTX 1660 SUPERNVIDIAGeForce RTX 5080
Overview
ReleasedOctober 2019January 2025
Performance
Chip makerNVIDIANVIDIA
ArchitectureTuringBlackwell
Shader cores1,40810,752
Boost clock1,785 MHz2,617 MHz (better)
ArchitectureNVIDIA reference GPU figures; the photo shows PNY's stock-clock Single Fan partner card. There is no retail Founders Edition.GB203 GPU; 84 SMs
Manufacturing process–TSMC 4nm (4N NVIDIA custom process); 45.6 billion transistors; 378 mm² die
Ray tracingNo hardware RT Cores84 fourth-generation RT Cores; 171 RT TFLOPS
AI coresNo Tensor Cores336 fifth-generation Tensor Cores; 1801 AI TOPS
Upscaling and frame generationNo NVIDIA DLSS supportDLSS 4.5 with Super Resolution, DLAA, Ray Reconstruction, Frame Generation, Multi Frame Generation and Dynamic Multi Frame Generation
Base clock1,530 MHz2.30 GHz
Cache–64 MB L2
Memory
Video memory6 GB GDDR616 GB GDDR7 (better)
Memory bus192-bit256-bit (better)
Memory bandwidth336 GB/s960 GB/s (better)
Memory detail14 Gbps GDDR6; PNY publishes 336 GB/sec bandwidthGDDR7 at 30 Gbps
Connections and power
Board power125 W (better)360 W
InterfacePCIe 3.0PCIe 5.0
Display outputsPictured PNY Single Fan has DisplayPort 1.4, HDMI 2.0b and DVI-D; partner layouts vary3 × DisplayPort 2.1b (UHBR20), 1 × HDMI 2.1b; up to 4 displays; HDCP 2.3
Maximum resolution7680 × 4320 on PNY's specification4K at 480 Hz or 8K at 165 Hz with DSC
Power connector1 × 8-pin1 × 450 W or greater PCIe Gen 5 cable, or 3 × PCIe 8-pin cables with the adapter in the box
Recommended power supplyNVIDIA specifies 450 W; requirements depend on the system850 W
Slot widthTwo slots for PNY's pictured Single Fan and NVIDIA's reference specification2-slot (Founders Edition)
Size (reference card)NVIDIA reference is 145 × 111 mm; pictured PNY Single Fan is 1.57 × 6.61 × 4.96 inches304 × 137 mm, 2-slot (Founders Edition)
Video encode and decodeTuring NVIDIA Encoder; PNY specifies PCIe 3.0 x162 × ninth-generation NVENC, 2 × sixth-generation NVDEC; AV1 encode and decode

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