Radeon R5 A220 vs HD 6790

Primary Details

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

Place in performance ranking	645	not rated
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	0.33	no data
Architecture	Terascale 2 (2009−2015)	TeraScale 2 (2009−2015)
GPU code name	Barts	Caicos
Market segment	Desktop	Desktop
Release date	4 April 2011 (13 years ago)	2014 (10 years ago)
Launch price (MSRP)	$149	no data
Current price	$184 (1.2x MSRP)	no data

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	800	160
Core clock speed	840 MHz	775 MHz
Number of transistors	1,700 million	370 million
Manufacturing process technology	40 nm	40 nm
Power consumption (TDP)	150 Watt	35 Watt
Texture fill rate	33.60	6.200
Floating-point performance	1,344.0 gflops	no data

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	PCIe 2.0 x16
Length	198 mm	168 mm
Width	2-slot	1-slot
Supplementary power connectors	2x 6-pin	None

Memory type	GDDR5	DDR3
Maximum RAM amount	1 GB	1 GB
Memory bus width	256 Bit	64 Bit
Memory clock speed	1050 MHz	1800 MBps
Memory bandwidth	134.4 GB/s	14.4 GB/s

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	2x DVI, 1x HDMI, 1x DisplayPort	1x DVI, 1x HDMI 1.3a
HDMI	+	+

API Compatibility

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

DirectX	11.2 (11_0)	11.2 (11_0)
Shader Model	5.0	5.0
OpenGL	4.4	4.4
OpenCL	1.2	1.2
Vulkan	N/A	N/A

Pros & Cons Summary

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Power consumption (TDP)

150 Watt

35 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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