GeForce 405M vs Quadro K620

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	668	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.10	no data
Power efficiency	9.03	no data
Architecture	Maxwell (2014−2017)	Tesla 2.0 (2007−2013)
GPU code name	GM107	GT218
Market segment	Workstation	Laptop
Release date	22 July 2014 (11 years ago)	5 January 2011 (15 years ago)
Launch price (MSRP)	$189.89	no data

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

Performance to price scatter graph

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	384	16
Core clock speed	1058 MHz	606 MHz
Boost clock speed	1124 MHz	no data
Number of transistors	1,870 million	260 million
Manufacturing process technology	28 nm	40 nm
Power consumption (TDP)	41 Watt	14 Watt
Texture fill rate	26.98	4.848
Floating-point processing power	0.8632 TFLOPS	0.03878 TFLOPS
Gigaflops	no data	73
ROPs	16	4
TMUs	24	8
L1 Cache	192 KB	no data
L2 Cache	2 MB	32 KB

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	no data	PCI-E 2.0
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	160 mm	no data
Width	1" (2.5 cm)	no data
Supplementary power connectors	None	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	128 Bit	GDDR3
Maximum RAM amount	2 GB	Up to 512 MB
Memory bus width	128 Bit	64 Bit
Memory clock speed	900 MHz	Up to 800 (DDR3), Up to 800 (GDDR3) MHz
Memory bandwidth	Up to 29 GB/s	25.6 GB/s
Shared memory	no data	-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors	1x DVI, 1x DisplayPort	DisplayPort, HDMI, VGA, Dual Link DVI, Single Link DVI
Multi monitor support	no data	+
Number of simultaneous displays	4	no data
HDMI	-	+
Maximum VGA resolution	no data	2048x1536

Supported technologies

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

Power management	no data	8.0
3D Vision Pro	+	no data
Mosaic	+	no data
nView Desktop Management	+	no data

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12	12 API
Shader Model	5.1	4.1
OpenGL	4.5	4.5
OpenCL	1.2	1.1
Vulkan	1.1.126	N/A
CUDA	5.0	+

Pros & cons summary

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Recency	22 July 2014	5 January 2011
Chip lithography	28 nm	40 nm
Power consumption (TDP)	41 Watt	14 Watt