Mobility Radeon HD 5770 vs Quadro K420

Primary details

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

Place in performance ranking	861	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.08	no data
Architecture	Kepler (2012−2018)	Terascale 2 (2009−2015)
GPU code name	GK107	Madison-XT
Market segment	Workstation	Laptop
Release date	22 July 2014 (9 years ago)	7 January 2010 (14 years ago)
Launch price (MSRP)	$96.67	no data
Current price	$402 (4.2x MSRP)	$53

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	192	400
Core clock speed	876 MHz	650 MHz
Number of transistors	1,270 million	627 million
Manufacturing process technology	28 nm	40 nm
Power consumption (TDP)	41 Watt	30 Watt
Texture fill rate	14.02	13.00
Floating-point performance	336.4 gflops	520.0 gflops

Form factor & compatibility

Information on Quadro K420 and Mobility Radeon HD 5770 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop size	no data	large
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	GDDR5
Maximum RAM amount	1 GB/2 GB	1 GB
Memory bus width	128 Bit	128 Bit
Memory clock speed	1782 MHz	800 MHz
Memory bandwidth	Up to 29 GB/s	51.2 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	DVI-I DP	No outputs
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 graphics and general-purpose computing APIs, including their specific versions.

DirectX	12	11.2 (11_0)
Shader Model	5	5.0
OpenGL	4.5	4.4
OpenCL	1.2	1.2
Vulkan	+	N/A
CUDA	3.0	no data

Pros & cons summary

---

Recency	22 July 2014	7 January 2010
Chip lithography	28 nm	40 nm
Power consumption (TDP)	41 Watt	30 Watt

---

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

---