NVIDIA GeForce GTX 660 Rev. 2: specs and benchmarks

Summary

NVIDIA started GeForce GTX 660 Rev. 2 sales 13 September 2014. This is a desktop graphics card based on a Kepler architecture and made with 28 nm manufacturing process. It is primarily aimed at gamer market. 2 GB of GDDR5 memory clocked at 6.01 GHz are supplied, and together with 192 Bit memory interface this creates a bandwidth of 144.2 GB/s.

Compatibility-wise, this is dual-slot card attached via PCIe 3.0 x16 interface. Its manufacturer default version has a length of 241 mm. 1x 6-pin power connector is required, and power consumption is at 140 Watt.

General info

Some basic facts about GeForce GTX 660 Rev. 2: architecture, market segment, release date etc.

Place in performance ranking	not rated
Place by popularity	not in top-100
Architecture	Kepler (2012−2018)
GPU code name	GK104
Market segment	Desktop
Release date	13 September 2014 (9 years old)
Current price	$489	of 168889 (A100 PCIe 80 GB)

Technical specs

GeForce GTX 660 Rev. 2's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce GTX 660 Rev. 2's performance, but for precise assessment you have to consider its benchmark and gaming test results.

Pipelines / CUDA cores	960	of 20480 (Data Center GPU Max NEXT)
Core clock speed	980 MHz	of 2610 (Radeon RX 6500 XT)
Boost clock speed	1032 MHz	of 3599 (Radeon RX 7990 XTX)
Number of transistors	3,540 million	of 14400 (GeForce GTX 1080 SLI Mobile)
Manufacturing process technology	28 nm	of 4 (GeForce RTX 4080)
Power consumption (TDP)	140 Watt	of 2400 (Data Center GPU Max Subsystem)
Texture fill rate	82.56	of 969.9 (H100 SXM5 96 GB)
Floating-point performance	1,981 gflops	of 16384 (Radeon Pro Duo)

Size and compatibility

This section provides details about the physical dimensions of GeForce GTX 660 Rev. 2 and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).

Interface	PCIe 3.0 x16
Length	241 mm
Width	2-slot
Supplementary power connectors	1x 6-pin

Memory

Parameters of memory installed on GeForce GTX 660 Rev. 2: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.

Memory type	GDDR5
Maximum RAM amount	2 GB	of 192 (Radeon Instinct MI300X)
Memory bus width	192 Bit	of 19000 (GeForce RTX 3080 12 GB)
Memory clock speed	6008 MHz	of 23000 (GeForce RTX 4080 SUPER)
Memory bandwidth	144.2 GB/s	of 3276 (Aldebaran)

Video outputs and ports

Types and number of video connectors present on GeForce GTX 660 Rev. 2. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.

Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort
HDMI	+

API support

APIs supported by GeForce GTX 660 Rev. 2, sometimes including their particular versions.

DirectX	12 (11_0)
Shader Model	5.1
OpenGL	4.6
OpenCL	1.2
Vulkan	1.1.126
CUDA	3.0

Benchmark performance

Synthetic benchmark performance of GeForce GTX 660 Rev. 2. The combined score is measured on a 0-100 point scale.

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