The Gainward GeForce GTX 1660 TI Pegasus is based on the NVIDIA GeForce GTX 1660 Ti (Turing) and has 6 GB GDDR6 graphics memory with a bandwidth of 288 GB/s.
Quick comparison
In FP32 performance, the SAPPHIRE PULSE Radeon RX 6600 XT is 95 % faster than the Gainward GeForce GTX 1660 TI Pegasus.
The SAPPHIRE PULSE Radeon RX 6600 XT has the Navi 23 XT graphics chip installed, which is based on the RDNA 2 architecture.
The Gainward GeForce GTX 1660 TI Pegasus is based on the graphics chip TU116-400-A1, which comes from the Turing architecture.
Memory
Memory
SAPPHIRE PULSE Radeon RX 6600 XT
Gainward GeForce GTX 1660 TI Pegasus
Memory Size
8 GB
6 GB
Memory Type
GDDR6
GDDR6
Memory Clock
2.000 GHz
1.500 GHz
Memory Speed
16.0 Gbps
12.0 Gbps
Memory bandwidth
256 GB/s
288 GB/s
Memory Interface
128 bit
192 bit
More information
The graphics memory of the SAPPHIRE PULSE Radeon RX 6600 XT clocks at 2.000 GHz, which corresponds to a speed of 16.0 Gbps.
The graphics memory speed of the Gainward GeForce GTX 1660 TI Pegasus is 12.0 Gbps and the clock speed is 1.500 GHz.
Clock Speeds
Clock Speeds
SAPPHIRE PULSE Radeon RX 6600 XT
Gainward GeForce GTX 1660 TI Pegasus
Base Clock
1.968 GHz
1.500 GHz
Boost Clock
2.593 GHz
1.770 GHz
Avg (Game) Clock
2.38 GHz
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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
SAPPHIRE PULSE Radeon RX 6600 XT
Gainward GeForce GTX 1660 TI Pegasus
TDP
160 W
120 W
TDP (up)
170 W
--
Tjunction max
100 °C
95 °C
PCIe-Power
1 x 8-Pin
1 x 8-Pin
More information
The SAPPHIRE PULSE Radeon RX 6600 XT is powered by 1 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 160 W.
The Gainward GeForce GTX 1660 TI Pegasus has 1 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 120 W.
Cooler & Fans
Cooler & Fans
SAPPHIRE PULSE Radeon RX 6600 XT
Gainward GeForce GTX 1660 TI Pegasus
Fan-Type
Axial
Axial
Fan 1
2 x 100 mm
1 x 100 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
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More information
The SAPPHIRE PULSE Radeon RX 6600 XT is equipped with a total of 2 Axial main fans.
The Gainward GeForce GTX 1660 TI Pegasus has 1 Axial main fans that cool the GPU and memory.
Connectivity
Connectivity
SAPPHIRE PULSE Radeon RX 6600 XT
Gainward GeForce GTX 1660 TI Pegasus
Max. Displays
4
3
HDCP
2.3
2.2
HDMI
1x HDMI 2.1
1x HDMI 2.0b
DisplayPort
3x DP 1.4
1x DP 1.4
DVI
--
1
More information
Up to 4 screens can be operated with the SAPPHIRE PULSE Radeon RX 6600 XT.
The Gainward GeForce GTX 1660 TI Pegasus supports the operation of a maximum of 3 monitors.
Featureset
Featureset
SAPPHIRE PULSE Radeon RX 6600 XT
Gainward GeForce GTX 1660 TI Pegasus
Max. resolution
7680x4320
7680x4320
DirectX
12_2 (Ultimate)
12_1
Raytracing
Yes
No
DLSS / FSR
Yes
Yes
LED
Addressable LED
No LED lighting
More information
With the SAPPHIRE PULSE Radeon RX 6600 XT it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.
The maximum supported resolution of the Gainward GeForce GTX 1660 TI Pegasus is 7680x4320 pixels.
Supported Video Codecs
Supported Video Codecs
SAPPHIRE PULSE Radeon RX 6600 XT
Gainward GeForce GTX 1660 TI Pegasus
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode / Encode
Decode
VP9
Decode / Encode
Decode
AV1
Decode
No
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
SAPPHIRE PULSE Radeon RX 6600 XT
Gainward GeForce GTX 1660 TI Pegasus
Length
240 mm
168 mm
Height
120 mm
126 mm
Width
45 mm
--
Width (Slots)
3 Slots
2 Slots
SFF-Ready
No
No
More information
The SAPPHIRE PULSE Radeon RX 6600 XT is connected to the system via PCIe 4.0 x 8 lanes and requires 3 PCIe-Slots space in the housing.
The Gainward GeForce GTX 1660 TI Pegasus needs the space of 2 PCIe-Slots in the case and has a PCIe 3.0 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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