The Gainward GeForce RTX 3090 Phantom+ is based on the NVIDIA GeForce RTX 3090 (Ampere) and has 24 GB GDDR6X graphics memory with a bandwidth of 936 GB/s.
Quick comparison
In FP32 performance, the Gainward GeForce RTX 3090 Phantom+ is 626 % faster than the INNO3D GeForce GTX 1660 COMPACT.
The INNO3D GeForce GTX 1660 COMPACT has the TU116-300-A1 graphics chip installed, which is based on the Turing architecture.
The Gainward GeForce RTX 3090 Phantom+ is based on the graphics chip GA102-300-A1, which comes from the Ampere architecture.
Memory
Memory
INNO3D GeForce GTX 1660 COMPACT
Gainward GeForce RTX 3090 Phantom+
Memory Size
6 GB
24 GB
Memory Type
GDDR5
GDDR6X
Memory Clock
2.000 GHz
1.219 GHz
Memory Speed
8.0 Gbps
19.5 Gbps
Memory bandwidth
192 GB/s
936 GB/s
Memory Interface
192 bit
384 bit
More information
The graphics memory of the INNO3D GeForce GTX 1660 COMPACT clocks at 2.000 GHz, which corresponds to a speed of 8.0 Gbps.
The graphics memory speed of the Gainward GeForce RTX 3090 Phantom+ is 19.5 Gbps and the clock speed is 1.219 GHz.
Clock Speeds
Clock Speeds
INNO3D GeForce GTX 1660 COMPACT
Gainward GeForce RTX 3090 Phantom+
Base Clock
1.530 GHz
1.395 GHz
Boost Clock
1.785 GHz
1.740 GHz
Overclocking
Yes
Yes
More information
The clock frequency of a graphics card determines the speed in connection with the graphics architecture.
Thermal Design
Thermal Design
INNO3D GeForce GTX 1660 COMPACT
Gainward GeForce RTX 3090 Phantom+
TDP
120 W
370 W
Tjunction max
95 °C
93 °C
PCIe-Power
1 x 8-Pin
3 x 8-Pin
More information
The INNO3D GeForce GTX 1660 COMPACT is powered by 1 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 120 W.
The Gainward GeForce RTX 3090 Phantom+ has 3 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 370 W.
Cooler & Fans
Cooler & Fans
INNO3D GeForce GTX 1660 COMPACT
Gainward GeForce RTX 3090 Phantom+
Fan-Type
Axial
Axial
Fan 1
1 x 100 mm
3 x 90 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
--
0 dB
More information
The INNO3D GeForce GTX 1660 COMPACT is equipped with a total of 1 Axial main fans.
The Gainward GeForce RTX 3090 Phantom+ has 3 Axial main fans that cool the GPU and memory.
Connectivity
Connectivity
INNO3D GeForce GTX 1660 COMPACT
Gainward GeForce RTX 3090 Phantom+
Max. Displays
3
4
HDCP
2.2
2.3
HDMI
1x HDMI 2.0b
1x HDMI 2.1
DisplayPort
3x DP 1.4
3x DP 1.4a
More information
Up to 3 screens can be operated with the INNO3D GeForce GTX 1660 COMPACT.
The Gainward GeForce RTX 3090 Phantom+ supports the operation of a maximum of 4 monitors.
Featureset
Featureset
INNO3D GeForce GTX 1660 COMPACT
Gainward GeForce RTX 3090 Phantom+
Max. resolution
7680x4320
7680x4320
DirectX
12_1
12_2 (Ultimate)
Raytracing
No
Yes
DLSS / FSR
Yes
Yes
LED
No LED lighting
Addressable LED
More information
With the INNO3D GeForce GTX 1660 COMPACT it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.
The maximum supported resolution of the Gainward GeForce RTX 3090 Phantom+ is 7680x4320 pixels.
Supported Video Codecs
Supported Video Codecs
INNO3D GeForce GTX 1660 COMPACT
Gainward GeForce RTX 3090 Phantom+
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode
VP9
Decode
Decode
AV1
No
Decode
More information
The support and acceleration of certain video codecs can have a positive impact on the lower energy consumption and less waste heat from the graphics card.
Dimensions
Dimensions
INNO3D GeForce GTX 1660 COMPACT
Gainward GeForce RTX 3090 Phantom+
Length
188 mm
304 mm
Height
115 mm
138 mm
Width (Slots)
2 Slots
3 Slots
SFF-Ready
No
No
More information
The INNO3D GeForce GTX 1660 COMPACT is connected to the system via PCIe 3.0 x 16 lanes and requires 2 PCIe-Slots space in the housing.
The Gainward GeForce RTX 3090 Phantom+ needs the space of 3 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface.
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.
The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.
Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.
The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.
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