Radeon HD 4770 vs Radeon RX 550X mobile

If you are going to buy a new graphics card and are choosing between Radeon HD 4770 and Radeon RX 550X mobile, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 4770 stacks up against Radeon RX 550X mobile, check out specs charts below.

Radeon HD 4770

Radeon RX 550X mobile Check Price

Radeon RX 550X mobile is a Laptop Graphics Card

Note: Radeon RX 550X mobile is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon RX 550X mobile here:

Radeon RX 550X mobile Laptops

Main Specs

	Radeon HD 4770	Radeon RX 550X mobile
Power consumption (TDP)	80 Watt	50 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x8
Supplementary power connectors	1x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	512 MB	4 GB
Display Connectors	2x DVI, 1x S-Video	No outputs
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Radeon HD 4770 has 60% more power consumption, than Radeon RX 550X mobile.
Radeon HD 4770 is connected by PCIe 2.0 x16, and Radeon RX 550X mobile uses PCIe 3.0 x8 interface.
Radeon HD 4770 has 508 GB more memory, than Radeon RX 550X mobile.
Radeon HD 4770 is used in Desktops, and Radeon RX 550X mobile - in Laptops.
Radeon HD 4770 is build with TeraScale architecture, and Radeon RX 550X mobile - with Polaris.
Core clock speed of Radeon RX 550X mobile is 426 MHz higher, than Radeon HD 4770.
Radeon HD 4770 is manufactured by 40 nm process technology, and Radeon RX 550X mobile - by 14 nm process technology.
Memory clock speed of Radeon RX 550X mobile is 3800 MHz higher, than Radeon HD 4770.

Game benchmarks


high / 1080p	1−2	14−16
ultra / 1080p	0−1	9−10
QHD / 1440p	0−1	3−4
low / 720p	10−12	30−35
medium / 1080p	2−3	20−22
The average gaming FPS of Radeon RX 550X mobile in Assassin's Creed Odyssey is 340% more, than Radeon HD 4770.
high / 1080p	−	24−27
ultra / 1080p	3−4	21−24
QHD / 1440p	0−1	4−5
low / 720p	12−14	55−60
medium / 1080p	4−5	27−30
The average gaming FPS of Radeon RX 550X mobile in Battlefield 5 is 414% more, than Radeon HD 4770.
low / 768p	50−55	50−55
high / 1080p	45−50	45−50
QHD / 1440p	0−1	0−1
Radeon HD 4770 and Radeon RX 550X mobile have the same average FPS in Call of Duty: Warzone.
low / 768p	110−120	210−220
medium / 768p	85−90	180−190
ultra / 1080p	35−40	100−105
QHD / 1440p	−	55−60
4K / 2160p	10−11	27−30
high / 768p	60−65	140−150
The average gaming FPS of Radeon RX 550X mobile in Counter-Strike: Global Offensive is 117% more, than Radeon HD 4770.
low / 768p	70−75	60−65
ultra / 1080p	14−16	40−45
medium / 1080p	45−50	55−60
The average gaming FPS of Radeon RX 550X mobile in Cyberpunk 2077 is 20% more, than Radeon HD 4770.
low / 768p	70−75	110−120
medium / 768p	45−50	95−100
ultra / 1080p	18−20	65−70
The average gaming FPS of Radeon RX 550X mobile in Dota 2 is 102% more, than Radeon HD 4770.
high / 1080p	2−3	18−20
ultra / 1080p	2−3	16−18
4K / 2160p	0−1	6−7
low / 720p	10−11	40−45
medium / 1080p	3−4	21−24
The average gaming FPS of Radeon RX 550X mobile in Far Cry 5 is 525% more, than Radeon HD 4770.
high / 1080p	−	24−27
ultra / 1080p	5−6	20−22
QHD / 1440p	1−2	12−14
low / 720p	45−50	100−110
medium / 1080p	8−9	55−60
The average gaming FPS of Radeon RX 550X mobile in Fortnite is 226% more, than Radeon HD 4770.
high / 1080p	3−4	27−30
ultra / 1080p	−	21−24
QHD / 1440p	0−1	9−10
low / 720p	14−16	55−60
medium / 1080p	5−6	30−35
The average gaming FPS of Radeon RX 550X mobile in Forza Horizon 4 is 387% more, than Radeon HD 4770.
low / 768p	40−45	90−95
medium / 768p	−	80−85
high / 1080p	3−4	30−35
ultra / 1080p	2−3	12−14
QHD / 1440p	0−1	3−4
medium / 720p	35−40	−
The average gaming FPS of Radeon RX 550X mobile in Grand Theft Auto V is 187% more, than Radeon HD 4770.
high / 1080p	1−2	10−11
ultra / 1080p	0−1	7−8
4K / 2160p	0−1	1−2
low / 720p	3−4	30−35
medium / 1080p	2−3	12−14
The average gaming FPS of Radeon RX 550X mobile in Metro Exodus is 800% more, than Radeon HD 4770.
low / 768p	85−90	110−120
high / 1080p	55−60	−
ultra / 1080p	−	100−110
medium / 1080p	−	100−110
The average gaming FPS of Radeon RX 550X mobile in Minecraft is 32% more, than Radeon HD 4770.
high / 1080p	14−16	−
ultra / 1080p	12−14	14−16
low / 720p	24−27	60−65
medium / 1080p	14−16	18−20
The average gaming FPS of Radeon RX 550X mobile in PLAYERUNKNOWN'S BATTLEGROUNDS is 88% more, than Radeon HD 4770.
high / 1080p	−	12−14
ultra / 1080p	3−4	8−9
QHD / 1440p	0−1	0−1
low / 720p	4−5	30−33
medium / 1080p	−	16−18
The average gaming FPS of Radeon RX 550X mobile in Red Dead Redemption 2 is 400% more, than Radeon HD 4770.
low / 768p	8−9	55−60
medium / 768p	7−8	35−40
high / 1080p	3−4	20−22
ultra / 1080p	3−4	10−12
4K / 2160p	0−1	6−7
The average gaming FPS of Radeon RX 550X mobile in The Witcher 3: Wild Hunt is 520% more, than Radeon HD 4770.
low / 768p	70−75	90−95
medium / 768p	35−40	60−65
ultra / 1080p	12−14	35−40
high / 768p	30−33	50−55
The average gaming FPS of Radeon RX 550X mobile in World of Tanks is 60% more, than Radeon HD 4770.

Full Specs

	Radeon HD 4770	Radeon RX 550X mobile
Architecture	TeraScale	Polaris
Code name	RV740	Polaris 12
Type	Desktop	Laptop
Release date	28 April 2009	10 January 2019
Pipelines	640	640
Core clock speed	750 MHz	1176 MHz
Boost Clock		1287 MHz
Transistor count	826 million	2,200 million
Manufacturing process technology	40 nm	14 nm
Texture fill rate	24.00	51.48
Floating-point performance	960.0 gflops
Length	203 mm
Memory bus width	128 Bit	128 Bit
Memory clock speed	3200 MHz	7000 MHz
Memory bandwidth	51.2 GB/s	96 GB/s
Shared memory		-
DirectX	10.1 (10_1)	12 (12_0)
Shader Model	4.1	6.4
OpenGL	3.3	4.6
OpenCL	1.1	2.0
Vulkan	N/A	1.2.131
FreeSync		+
Laptop size		large
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Radeon HD 4770 vs Radeon RX 550X mobile

Radeon RX 550X mobile is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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