NVIDIA GeForce GTX 1660 Ti vs NVIDIA GeForce RTX 3090 Ti

Differences Specifications Benchmarks Testimonials

Differences

Reasons to consider
NVIDIA GeForce GTX 1660 Ti

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Reasons to consider
NVIDIA GeForce RTX 3090 Ti

Report a bug

Higher clock speed

Around 4% better clock speed

1.56 GHz 1.5 GHz
More memory

300% more memory

24 GB 6 GB

Positions in all rankings

Common positions NVIDIA GeForce RTX 3090 Ti GPU in popular benchmarks, for comparison with other models.

Passmark Performance Test GPU

1 place

Specifications

Technical data

NVIDIA GeForce GTX 1660 Ti

NVIDIA GeForce RTX 3090 Ti

General info

Comparison of basic technical data of graphics cards NVIDIA GeForce GTX 1660 Ti and NVIDIA GeForce RTX 3090 Ti, chip, information processing units.

Architecture

Turing Ampere
CUDA Cores

1536 10752
Execution Units

1536 -
GPU Chip

TU116 GA102-350-A1
L1 Cache

64 KB 128 KB
L2 Cache

1,536 MB 6 MB
Render Output Units

48 112
Texture Units

96 336
Based on

- GA102
Shader

- 10752

Memory settings

Video memory capacity, type, bus width and bandwidth describe different properties. These values alone do not determine graphics performance.

Memory Bandwidth

288 GB/s 1,008 GB/s
Memory Bus

192 bit 384 bit
Memory Clock

1500 MHz -
Memory Data Rate

12 Gbps -
Memory Size

6 GB 24 GB
Memory Type

GDDR6 GDDR6X
Memory Speed (legacy frequency label)

- 1300 MHz

Clock frequency

Published GPU clock frequencies describe different operating modes. Clock speed alone does not determine graphics performance.

Base Clock

1500 MHz 1560 MHz
Boost Clock

1770 MHz 1860 MHz
Overclocking

- No

Thermal Management

Graphics card power limits and recommended system power supply describe different specifications.

Graphics Card Power

120 W 450 W
Maximum GPU Temperature

95 °C 92 °C
System Power Supply

450 W (Minimum system power requirement) 850 W (System power requirement)
TDP

120 W 450 W

Interfaces

Connectivity and connections.

DisplayPort Ports

1 × DisplayPort 1.4a 3 × DisplayPort 1.4a
DVI Ports

1 × DVI -
HDMI Ports

1 × HDMI 2.1 1 × HDMI 2.1
Max. Displays

3 4
Other Display Outputs (unparsed)

DP 1.4a; HDMI 2.0b; DL-DVI-D HDMI
PCIe Interface

PCIe 3.0 x16 PCIe 4.0 x16
Power Connectors

8-pin 3x PCIe 8-pin cables (adapter in box) OR 450W or greater PCIe Gen 5 cable
HDCP Version

- 2.3

Technical data

Technical data that is used to its full potential in computer games.

CUDA

7.5 -
DirectX

12.1 12_2
Max. resolution

3840 × 2160 7680 × 4320
OpenCL

3.0 3.0
OpenGL

4.6 4.6
Shader Model

6.7 (6.4) 6.6
Vulkan

1.3 1.3

Dimensions

The difference in size, weight and slot of the compared devices

Height

35 mm -
Length

229 mm -
Slot Size

Dual-slot -
Width

111 mm -

More information

Comparison of interfaces and release dates for GPU NVIDIA GeForce RTX 3090 Ti and NVIDIA GeForce GTX 1660 Ti.

Manufacturer specification scope

NVIDIA Founders Edition/reference design. Clock specifications apply to gaming use. AIB shipping specifications and complete-system power needs may differ. NVIDIA Founders Edition/reference design. Clock specifications apply to gaming use. AIB shipping specifications and complete-system power needs may differ.
Multi-monitor support

Yes -
Process Technology

12 nm 8 nm
Release date

Q1/2019 -

Theoretical Performance

FP16 (theoretical)

10.87 TFLOPS (2:1) 40 TFLOPS
FP32 (theoretical)

5.437 TFLOPS 40 TFLOPS
FP64 (theoretical)

169.9 GFLOPS (1:32) 0.625 TFLOPS
Pixel Rate

84.96 GPixel/s 208.3 GPixel/s
Texture Rate

169.9 GTexel/s 625.0 GTexel/s

Benchmarks

Performance tests GPUs

Shared tests with results for both models: 14

Blender Cycles

Each row uses one Blender version, operating system and compute backend.

Test and settings	NVIDIA GeForce GTX 1660 Ti	NVIDIA GeForce RTX 3090 Ti	Result difference¹
Blender 5.2.0 / OPTIX / Windows	682.003803 samples/min Submissions: 22	5250.819731 samples/min Submissions: 11	+669.9 %
Blender 5.1.1 / OPTIX / Linux	740.029214 samples/min Submissions: 8	5601.471369 samples/min Submissions: 7	+656.9 %
Blender 5.1.1 / OPTIX / Windows	686.620607 samples/min Submissions: 18	5459.157697 samples/min Submissions: 5	+695.1 %
Blender 4.5.0 / OPTIX / Linux	786.110434 samples/min Submissions: 8	5309.43807 samples/min Submissions: 24	+575.4 %
Blender 4.5.0 / OPTIX / Windows	741.389241 samples/min Submissions: 54	5585.151795 samples/min Submissions: 115	+653.3 %
Blender 4.4.0 / OPTIX / Linux	768.158139 samples/min Submissions: 12	4979.851473 samples/min Submissions: 8	+548.3 %
Blender 4.4.0 / OPTIX / Windows	743.205149 samples/min Submissions: 26	5700.575741 samples/min Submissions: 51	+667.0 %
Blender 4.3.0 / OPTIX / Windows	755.765834 samples/min Submissions: 19	5490.159484 samples/min Submissions: 35	+626.4 %
Blender 4.2.0 / OPTIX / Linux	759.319183 samples/min Submissions: 9	5972.585335 samples/min Submissions: 15	+686.6 %
Blender 4.2.0 / OPTIX / Windows	740.194812 samples/min Submissions: 45	5673.136912 samples/min Submissions: 51	+666.4 %
Blender 4.1.0 / OPTIX / Linux	802.562755 samples/min Submissions: 5	6034.022292 samples/min Submissions: 7	+651.8 %
Blender 4.1.0 / OPTIX / Windows	788.558198 samples/min Submissions: 19	5769.869986 samples/min Submissions: 32	+631.7 %

More tests: 2

Test and settings	NVIDIA GeForce GTX 1660 Ti	NVIDIA GeForce RTX 3090 Ti	Result difference¹
Blender 4.0.0 / OPTIX / Linux	803.98389 samples/min Submissions: 6	6168.026652 samples/min Submissions: 16	+667.2 %
Blender 4.0.0 / OPTIX / Windows	776.75797 samples/min Submissions: 72	5124.064923 samples/min Submissions: 111	+559.7 %

¹ Difference of the second result relative to the first in that row. No percentage is calculated for different upscaling algorithms. This compares published results, not a universal performance index.

Individual model tests

These results have no shared test of both models with the same version and settings. They are shown separately without a percentage difference.