UHD Graphics 770 Mobile vs Quadro K420

Primary details

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

Place in the ranking	906	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.08	no data
Power efficiency	3.22	no data
Architecture	Kepler (2012−2018)	Generation 12.2 (2022−2023)
GPU code name	GK107	Raptor Lake GT1
Market segment	Workstation	Laptop
Release date	22 July 2014 (10 years ago)	4 January 2023 (1 year ago)
Launch price (MSRP)	$96.67	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	192	256
Core clock speed	876 MHz	300 MHz
Boost clock speed	no data	1600 MHz
Number of transistors	1,270 million	no data
Manufacturing process technology	28 nm	10 nm
Power consumption (TDP)	41 Watt	15 Watt
Texture fill rate	14.02	25.60
Floating-point processing power	0.3364 TFLOPS	0.8192 TFLOPS
ROPs	16	8
TMUs	16	16

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).

Interface	PCIe 2.0 x16	Ring Bus
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	System Shared
Maximum RAM amount	1 GB/2 GB	System Shared
Memory bus width	128 Bit	System Shared
Memory clock speed	891 MHz	System Shared
Memory bandwidth	Up to 29 GB/s	no data
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	1x DVI, 1x DisplayPort	Portable Device Dependent
Number of simultaneous displays	4	no data

Supported technologies

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

3D Vision Pro	+	no data
Mosaic	+	no data
nView Desktop Management	+	no data

API compatibility

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

DirectX	12	12 (12_1)
Shader Model	5.1	6.6
OpenGL	4.5	4.6
OpenCL	1.2	3.0
Vulkan	1.1.126	1.3
CUDA	3.0	-

Pros & cons summary

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Recency	22 July 2014	4 January 2023
Chip lithography	28 nm	10 nm
Power consumption (TDP)	41 Watt	15 Watt

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