Quadro4 980 XGL vs Quadro M620

Primary details

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

Place in the ranking	538	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	16.68	no data
Architecture	Maxwell (2014−2017)	Kelvin (2001−2003)
GPU code name	GM107	NV28 A2
Market segment	Mobile workstation	Workstation
Release date	11 January 2017 (7 years ago)	12 November 2002 (22 years ago)

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	512	no data
Core clock speed	756 MHz	300 MHz
Boost clock speed	977 MHz	no data
Number of transistors	1,870 million	36 million
Manufacturing process technology	28 nm	150 nm
Power consumption (TDP)	30 Watt	no data
Texture fill rate	31.26	2.400
Floating-point processing power	1 TFLOPS	no data
ROPs	16	8
TMUs	32	8

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).

Laptop size	large	no data
Interface	MXM-A (3.0)	AGP 8x
Width	no data	1-slot
Supplementary power connectors	None	None

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	DDR
Maximum RAM amount	2 GB	128 MB
Memory bus width	128 Bit	128 Bit
Memory clock speed	1253 MHz	325 MHz
Memory bandwidth	80 GB/s	10.4 GB/s
Shared memory	-	no data

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	No outputs	2x DVI, 1x S-Video
Display Port	1.2	no data

Supported technologies

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

Optimus	+	-
3D Stereo	+	no data
Mosaic	+	no data
nView Display Management	+	no data
Optimus	+	no data

API compatibility

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

DirectX	12	8.1
Shader Model	5.1	no data
OpenGL	4.5	1.3
OpenCL	1.2	N/A
Vulkan	1.1.126	N/A
CUDA	5.0	-

Synthetic benchmark performance

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

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Pros & cons summary

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Recency	11 January 2017	12 November 2002
Maximum RAM amount	2 GB	128 MB
Chip lithography	28 nm	150 nm

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