Radeon HD 7770 vs UHD Graphics 620
If you are going to buy a new graphics card and are choosing between Radeon HD 7770 and UHD Graphics 620, 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 7770 stacks up against UHD Graphics 620, check out specs charts below.
UHD Graphics 620 is a Laptop Graphics Card
Note: UHD Graphics 620 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 UHD Graphics 620 here:
Main Specs
Radeon HD 7770
UHD Graphics 620
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
Memory type
GDDR5
LPDDR3/DDR4
Maximum RAM amount
2 GB
32 GB
Display Connectors
No outputs
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UHD Graphics 620 has 30 GB more memory, than Radeon HD 7770.
Radeon HD 7770 is used in Desktops, and UHD Graphics 620 - in Laptops.
Radeon HD 7770 is build with GCN architecture, and UHD Graphics 620 - with Gen. 9.5.
Core clock speed of Radeon HD 7770 is 700 MHz higher, than UHD Graphics 620.
Radeon HD 7770 is manufactured by 28 nm process technology, and UHD Graphics 620 - by 14 nm process technology.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
10−11
2−3
ultra / 1080p
6−7
0−1
QHD / 1440p
1−2
0−1
low / 720p
24−27
12−14
medium / 1080p
12−14
3−4
The average gaming FPS of Radeon HD 7770 in Assassin's Creed Odyssey is 166% more, than UHD Graphics 620.
high / 1080p
16−18
6−7
ultra / 1080p
14−16
4−5
QHD / 1440p
1−2
0−1
low / 720p
35−40
16−18
medium / 1080p
18−20
6−7
The average gaming FPS of Radeon HD 7770 in Battlefield 5 is 175% more, than UHD Graphics 620.
low / 768p
45−50
45−50
high / 1080p
−
40−45
QHD / 1440p
0−1
0−1
Radeon HD 7770 and UHD Graphics 620 have the same average FPS in Call of Duty: Warzone.
low / 768p
170−180
100−110
medium / 768p
140−150
80−85
ultra / 1080p
75−80
40−45
QHD / 1440p
40−45
21−24
4K / 2160p
30−33
16−18
high / 768p
110−120
60−65
The average gaming FPS of Radeon HD 7770 in Counter-Strike: Global Offensive is 76% more, than UHD Graphics 620.
low / 768p
55−60
85−90
ultra / 1080p
27−30
18−20
medium / 1080p
45−50
40−45
The average gaming FPS of UHD Graphics 620 in Cyberpunk 2077 is 11% more, than Radeon HD 7770.
low / 768p
95−100
80−85
medium / 768p
75−80
55−60
ultra / 1080p
45−50
27−30
The average gaming FPS of Radeon HD 7770 in Dota 2 is 32% more, than UHD Graphics 620.
high / 1080p
12−14
2−3
ultra / 1080p
10−12
2−3
4K / 2160p
5−6
1−2
low / 720p
27−30
12−14
medium / 1080p
12−14
3−4
The average gaming FPS of Radeon HD 7770 in Far Cry 5 is 250% more, than UHD Graphics 620.
high / 1080p
18−20
10−11
ultra / 1080p
14−16
5−6
QHD / 1440p
−
1−2
low / 720p
80−85
50−55
medium / 1080p
35−40
12−14
The average gaming FPS of Radeon HD 7770 in Fortnite is 90% more, than UHD Graphics 620.
high / 1080p
18−20
5−6
ultra / 1080p
14−16
−
QHD / 1440p
5−6
3−4
4K / 2160p
−
2−3
low / 720p
35−40
16−18
medium / 1080p
21−24
8−9
The average gaming FPS of Radeon HD 7770 in Forza Horizon 4 is 162% more, than UHD Graphics 620.
low / 768p
65−70
40−45
medium / 768p
60−65
35−40
high / 1080p
21−24
5−6
ultra / 1080p
9−10
3−4
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7770 in Grand Theft Auto V is 81% more, than UHD Graphics 620.
high / 1080p
7−8
1−2
ultra / 1080p
5−6
0−1
4K / 2160p
1−2
−
low / 720p
20−22
5−6
medium / 1080p
9−10
3−4
The average gaming FPS of Radeon HD 7770 in Metro Exodus is 300% more, than UHD Graphics 620.
low / 768p
100−110
95−100
high / 1080p
−
60−65
ultra / 1080p
90−95
−
medium / 1080p
100−105
85−90
The average gaming FPS of Radeon HD 7770 in Minecraft is 11% more, than UHD Graphics 620.
high / 1080p
18−20
−
ultra / 1080p
16−18
12−14
low / 720p
45−50
27−30
medium / 1080p
21−24
14−16
The average gaming FPS of Radeon HD 7770 in PLAYERUNKNOWN'S BATTLEGROUNDS is 61% more, than UHD Graphics 620.
high / 1080p
12−14
−
ultra / 1080p
8−9
4−5
QHD / 1440p
0−1
0−1
low / 720p
20−22
4−5
medium / 1080p
12−14
−
The average gaming FPS of Radeon HD 7770 in Red Dead Redemption 2 is 250% more, than UHD Graphics 620.
low / 768p
35−40
12−14
medium / 768p
24−27
9−10
high / 1080p
14−16
4−5
ultra / 1080p
8−9
3−4
4K / 2160p
7−8
0−1
The average gaming FPS of Radeon HD 7770 in The Witcher 3: Wild Hunt is 200% more, than UHD Graphics 620.
low / 768p
95−100
65−70
medium / 768p
55−60
35−40
ultra / 1080p
27−30
14−16
high / 768p
45−50
27−30
The average gaming FPS of Radeon HD 7770 in World of Tanks is 54% more, than UHD Graphics 620.
Full Specs
Radeon HD 7770
UHD Graphics 620
Architecture
GCN
Gen. 9.5
Code name
Cape Verde
Kaby-Lake-Refresh GT2
Type
Desktop
Laptop
Release date
15 February 2012
1 September 2017
Pipelines
640
24
Core clock speed
1000 MHz
300 MHz
Boost Clock
1150 MHz
Transistor count
189 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
27.60
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
4500 MHz
Shared memory
-
+
DirectX
DirectX 11.1, Shader 5.1
12 (12_1)
Shader Model
6.4
OpenGL
4.6
OpenCL
2.1
Vulkan
1.1.103
Bitcoin / BTC (SHA256)
156 Mh/s
Eyefinity
+
Quick Sync
+
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