Radeon R5 Graphics vs Quadro K620

Primary details

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

Place in performance ranking	562	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.21	no data
Architecture	Maxwell (2014−2018)	GCN 2.0 (2013−2017)
GPU code name	GM107	Spectre SL
Market segment	Workstation	Desktop
Release date	22 July 2014 (9 years ago)	17 September 2014 (9 years ago)
Launch price (MSRP)	$189.89	no data
Current price	$286 (1.5x MSRP)	$213

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	384	256
Core clock speed	1058 MHz	497 MHz
Boost clock speed	1124 MHz	720 MHz
Number of transistors	1,870 million	2,410 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	41 Watt	15 Watt
Texture fill rate	26.98	7.952
Floating-point performance	863.2 gflops	388.1 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).

Interface	PCIe 2.0 x16	IGP
Length	160 mm	no data
Width	1" (2.5 cm)	IGP
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	2 GB	System Shared
Memory bus width	128 Bit	System Shared
Memory clock speed	1800 MHz	System Shared
Memory bandwidth	Up to 29 GB/s	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	12 (12_0)
Shader Model	5	6.0
OpenGL	4.5	4.6
OpenCL	1.2	2.0
Vulkan	+	1.2.131
CUDA	5.0	no data

Pros & cons summary

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Recency	22 July 2014	17 September 2014
Maximum RAM amount	2 GB	System Shared
Power consumption (TDP)	41 Watt	15 Watt

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

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