The GIGABYTE GeForce GTX 1660 GAMING 6G has 1408 shader units and these clock a maximum of 1.79 GHz which results in an FP32 computing power of 5.03 TFLOPS.
The ASRock Radeon RX 6600 Challenger D has 1792 shader units and these clock at a maximum of 2.49 GHz and achieve an FP32 computing power of 8.93 TFLOPS.
Quick comparison
In FP32 performance, the ASRock Radeon RX 6600 Challenger D is 78 % faster than the GIGABYTE GeForce GTX 1660 GAMING 6G.
The GIGABYTE GeForce GTX 1660 GAMING 6G is equipped with a graphics chip of the Turing architecture, which has 22 streaming multiprocessors.
The graphics card ASRock Radeon RX 6600 Challenger D is based on the RDNA 2 architecture and is equipped with 28 execution units.
Memory
Memory
GIGABYTE GeForce GTX 1660 GAMING 6G
ASRock Radeon RX 6600 Challenger D
Memory Size
6 GB
8 GB
Memory Type
GDDR5
GDDR6
Memory Clock
2.000 GHz
1.750 GHz
Memory Speed
8.0 Gbps
14.0 Gbps
Memory bandwidth
192 GB/s
224 GB/s
Memory Interface
192 bit
128 bit
More information
The GIGABYTE GeForce GTX 1660 GAMING 6G is equipped with a 6 GB large GDDR5 graphics memory, which is equipped with 2.000 GHz clocks.
The ASRock Radeon RX 6600 Challenger D has a 8 GB large GDDR6 graphics memory and the memory clock is 1.750GHz.
Clock Speeds
Clock Speeds
GIGABYTE GeForce GTX 1660 GAMING 6G
ASRock Radeon RX 6600 Challenger D
Base Clock
1.530 GHz
1.626 GHz
Boost Clock
1.785 GHz
2.491 GHz
Avg (Game) Clock
--
2.04 GHz
Overclocking
Yes
Yes
More information
The GIGABYTE GeForce GTX 1660 GAMING 6G has a turbo clock of 1.785 GHz. The turbo frequency of the ASRock Radeon RX 6600 Challenger D is 2.491 GHz.
Thermal Design
Thermal Design
GIGABYTE GeForce GTX 1660 GAMING 6G
ASRock Radeon RX 6600 Challenger D
TDP
120 W
132 W
Tjunction max
95 °C
100 °C
PCIe-Power
1 x 8-Pin
1 x 8-Pin
More information
The GIGABYTE GeForce GTX 1660 GAMING 6G has 1 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 95 °C.
The ASRock Radeon RX 6600 Challenger D is equipped with a 1 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 100 °C.
Cooler & Fans
Cooler & Fans
GIGABYTE GeForce GTX 1660 GAMING 6G
ASRock Radeon RX 6600 Challenger D
Fan-Type
Axial
Axial
Fan 1
3 x 80 mm
2 x 95 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
--
0 dB
More information
The graphics processor and graphics memory of the GIGABYTE GeForce GTX 1660 GAMING 6G are cooled with a Air cooling.
The ASRock Radeon RX 6600 Challenger D is cooled by a Air cooling.
Connectivity
Connectivity
GIGABYTE GeForce GTX 1660 GAMING 6G
ASRock Radeon RX 6600 Challenger D
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 1.4
More information
The GIGABYTE GeForce GTX 1660 GAMING 6G supports the downward compatible copy protection HDCP in version 2.2.
The ASRock Radeon RX 6600 Challenger D supports HDCP in version 2.3 and all previous versions.
Featureset
Featureset
GIGABYTE GeForce GTX 1660 GAMING 6G
ASRock Radeon RX 6600 Challenger D
Max. resolution
7680x4320
7680x4320
DirectX
12_1
12_2 (Ultimate)
Raytracing
No
Yes
DLSS / FSR
Yes
Yes
LED
No LED lighting
No LED lighting
More information
The GIGABYTE GeForce GTX 1660 GAMING 6G supports the DirectX standard from Microsoft in version 12_1.
The ASRock Radeon RX 6600 Challenger D supports Microsoft's DirectX version 12_2 (Ultimate).
Supported Video Codecs
Supported Video Codecs
GIGABYTE GeForce GTX 1660 GAMING 6G
ASRock Radeon RX 6600 Challenger D
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode / Encode
VP9
Decode
Decode / Encode
AV1
No
Decode
More information
This area lists which video codecs can be decoded or encoded by the graphics cards in hardware. As a result, the power consumption can be reduced due to a lower processor load.
Dimensions
Dimensions
GIGABYTE GeForce GTX 1660 GAMING 6G
ASRock Radeon RX 6600 Challenger D
Length
280 mm
269 mm
Height
116 mm
132 mm
Width
40 mm
41 mm
Width (Slots)
2 Slots
2 Slots
Weight
--
627 g
SFF-Ready
No
No
More information
The GIGABYTE GeForce GTX 1660 GAMING 6G is 40 mm wide and therefore needs the space of 2 PCIe-Slots in the case.
The width of the ASRock Radeon RX 6600 Challenger D is 40 mm and thus requires the space of 2 PCIe-Slots in the PC case.
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
Time Spy Extreme Graphics score ASRock Radeon RX 6600 Challenger D +55.1 %
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.
FP32 (TFLOPS) ASRock Radeon RX 6600 Challenger D +77.5 %
Here you can rate the GIGABYTE GeForce GTX 1660 GAMING 6G to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
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