Quadro K620 vs GeForce GTX 660

Place in performance ranking	404	561
Place by popularity	69	not in top-100
Cost-effectiveness evaluation	2.37	1.22
Architecture	Kepler (2012−2018)	Maxwell (2014−2018)
GPU code name	GK106	GM107
Market segment	Desktop	Workstation
Release date	6 September 2012 (11 years ago)	22 July 2014 (9 years ago)
Launch price (MSRP)	$229	$189.89
Current price	$172 (0.8x MSRP)	$286 (1.5x MSRP)

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

GTX 660 has 94% better value for money than Quadro K620.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	960	384
CUDA cores	960	no data
Core clock speed	980 MHz	1058 MHz
Boost clock speed	1033 MHz	1124 MHz
Number of transistors	2,540 million	1,870 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	140 Watt	41 Watt
Texture fill rate	78.4 billion/sec	26.98
Floating-point performance	1,981 gflops	863.2 gflops

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus support	PCI Express 3.0	no data
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	9.5" (24.1 cm)	160 mm
Height	4.376" (11.1 cm)	no data
Width	2-slot	1" (2.5 cm)
Supplementary power connectors	One 6-pin	None
SLI options	+	no data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR5	128 Bit
Maximum RAM amount	2 GB	2 GB
Memory bus width	192-bit GDDR5	128 Bit
Memory clock speed	6.0 GB/s	1800 MHz
Memory bandwidth	144.2 GB/s	Up to 29 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors	One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort	DVI-I DP
Multi monitor support	4 displays	no data
Number of simultaneous displays	no data	4
HDMI	+	no data
HDCP	+	no data
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	Internal	no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray	+	no data
3D Gaming	+	no data
3D Vision	+	no data
3D Vision Pro	no data	+
Mosaic	no data	+
nView Desktop Management	no data	+

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX	12 (11_0)	12
Shader Model	5.1	5
OpenGL	4.3	4.5
OpenCL	1.2	1.2
Vulkan	1.1.126	+
CUDA	+	5.0

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

GTX 660 10.33
+79%

Quadro K620 5.77

GeForce GTX 660 outperforms Quadro K620 by 79% based on our aggregated benchmark results.

Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Benchmark coverage: 25%

GTX 660 3998
+79%

Quadro K620 2233

GeForce GTX 660 outperforms Quadro K620 by 79% in Passmark.

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

Benchmark coverage: 9%

GTX 660 11279
+70.6%

Quadro K620 6612

GeForce GTX 660 outperforms Quadro K620 by 71% in GeekBench 5 OpenCL.

GeekBench 5 Vulkan

Benchmark coverage: 5%

GTX 660 11456
+95%

Quadro K620 5876

GeForce GTX 660 outperforms Quadro K620 by 95% in GeekBench 5 Vulkan.

GeekBench 5 CUDA

Benchmark coverage: 4%

GTX 660 8583
+29%

Quadro K620 6653

GeForce GTX 660 outperforms Quadro K620 by 29% in GeekBench 5 CUDA.

Octane Render OctaneBench

This is a special benchmark measuring graphics card performance in OctaneRender, which is a realistic GPU rendering engine by OTOY Inc., available either as a standalone program, or as a plugin for 3DS Max, Cinema 4D and many other apps. It renders four different static scenes, then compares render times with a reference GPU which is currently GeForce GTX 980. This benchmark has nothing to do with gaming and is aimed at professional 3D graphics artists.

Benchmark coverage: 4%

GTX 660 33
+73.7%

Quadro K620 19

GeForce GTX 660 outperforms Quadro K620 by 74% in Octane Render OctaneBench.