GeForce 820A vs Radeon HD 7770

When choosing between GeForce 820A and Radeon HD 7770, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce 820A and Radeon HD 7770.

GeForce 820A

Radeon HD 7770 Check Price

Main Specs

	GeForce 820A	Radeon HD 7770
Power consumption (TDP)	15 Watt
Interface	PCIe 2.0 x16
Memory type	DDR3	GDDR5
Maximum RAM amount	1 GB	2 GB
Display Connectors	No outputs
		Check Price

Radeon HD 7770 has 1 GB more memory, than GeForce 820A.
Both cards are used in Desktops.
GeForce 820A is build with Fermi 2.0 architecture, and Radeon HD 7770 - with GCN.
Core clock speed of Radeon HD 7770 is 225 MHz higher, than GeForce 820A.
GeForce 820A and Radeon HD 7770 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7770 is 2700 MHz higher, than GeForce 820A.

Game benchmarks


high / 1080p	0−1	10−11
ultra / 1080p	−	6−7
QHD / 1440p	0−1	1−2
low / 720p	1−2	24−27
medium / 1080p	0−1	12−14
The average gaming FPS of Radeon HD 7770 in Assassin's Creed Odyssey is 2400% more, than GeForce 820A.
high / 1080p	−	16−18
ultra / 1080p	−	14−16
QHD / 1440p	0−1	1−2
low / 720p	0−1	35−40
medium / 1080p	−	18−20
low / 768p	50−55	45−50
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
The average gaming FPS of GeForce 820A in Call of Duty: Warzone is 10% more, than Radeon HD 7770.
low / 768p	60−65	170−180
medium / 768p	27−30	140−150
ultra / 1080p	7−8	75−80
QHD / 1440p	−	40−45
4K / 2160p	−	30−33
high / 768p	16−18	110−120
The average gaming FPS of Radeon HD 7770 in Counter-Strike: Global Offensive is 357% more, than GeForce 820A.
low / 768p	70−75	55−60
ultra / 1080p	0−1	27−30
medium / 1080p	45−50	45−50
The average gaming FPS of GeForce 820A in Cyberpunk 2077 is 15% more, than Radeon HD 7770.
low / 768p	45−50	95−100
medium / 768p	10−11	75−80
ultra / 1080p	0−1	45−50
The average gaming FPS of Radeon HD 7770 in Dota 2 is 200% more, than GeForce 820A.
high / 1080p	−	12−14
ultra / 1080p	−	10−12
4K / 2160p	−	5−6
low / 720p	0−1	27−30
medium / 1080p	−	12−14
high / 1080p	−	18−20
ultra / 1080p	−	14−16
low / 720p	21−24	80−85
medium / 1080p	0−1	35−40
The average gaming FPS of Radeon HD 7770 in Fortnite is 272% more, than GeForce 820A.
high / 1080p	0−1	18−20
ultra / 1080p	−	14−16
QHD / 1440p	0−1	5−6
low / 720p	0−1	35−40
medium / 1080p	0−1	21−24
low / 768p	18−20	65−70
medium / 768p	−	60−65
high / 1080p	0−1	21−24
ultra / 1080p	−	9−10
QHD / 1440p	0−1	0−1
medium / 720p	12−14	−
The average gaming FPS of Radeon HD 7770 in Grand Theft Auto V is 252% more, than GeForce 820A.
high / 1080p	−	7−8
ultra / 1080p	−	5−6
4K / 2160p	−	1−2
low / 720p	0−1	20−22
medium / 1080p	−	9−10
low / 768p	75−80	100−110
high / 1080p	27−30	−
ultra / 1080p	−	90−95
medium / 1080p	−	100−105
The average gaming FPS of Radeon HD 7770 in Minecraft is 36% more, than GeForce 820A.
high / 1080p	−	18−20
ultra / 1080p	−	16−18
low / 720p	8−9	45−50
medium / 1080p	−	21−24
The average gaming FPS of Radeon HD 7770 in PLAYERUNKNOWN'S BATTLEGROUNDS is 487% more, than GeForce 820A.
high / 1080p	−	12−14
ultra / 1080p	−	8−9
QHD / 1440p	−	0−1
low / 720p	0−1	20−22
medium / 1080p	−	12−14
low / 768p	0−1	35−40
medium / 768p	−	24−27
high / 1080p	−	14−16
ultra / 1080p	−	8−9
4K / 2160p	−	7−8
low / 768p	45−50	95−100
medium / 768p	14−16	55−60
ultra / 1080p	0−1	27−30
high / 768p	12−14	45−50
The average gaming FPS of Radeon HD 7770 in World of Tanks is 168% more, than GeForce 820A.

Full Specs

	GeForce 820A	Radeon HD 7770
Architecture	Fermi 2.0	GCN
Code name	GF117	Cape Verde
Type	Desktop	Desktop
Release date	17 March 2014	15 February 2012
Pipelines	96	640
Core clock speed	775 MHz	1000 MHz
Transistor count	585 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	12.40
Floating-point performance	297.6 gflops
Memory bus width	64 Bit	128 Bit
Memory clock speed	1800 MHz	4500 MHz
Memory bandwidth	14.4 GB/s
Shared memory		-
DirectX	12 (11_0)	DirectX 11.1, Shader 5.1
Shader Model	5.1
OpenGL	4.6
OpenCL	1.1
Vulkan	N/A
CUDA	2.1
Bitcoin / BTC (SHA256)		156 Mh/s
Eyefinity		+
		Check Price

GeForce 820A vs Radeon HD 7770

Main Specs

Game benchmarks

Full Specs

Similar compares