Radeon HD 8770M vs Radeon R9 M485X
In this comparison between Radeon HD 8770M and Radeon R9 M485X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 8770M will be the best choice, for others Radeon R9 M485X will be their preference. Study the comparison tables below and make your choice.
Radeon HD 8770M and Radeon R9 M485X are Laptop Graphics Cards
Note: Radeon HD 8770M and Radeon R9 M485X are only used in laptop graphics. They have 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 HD 8770M or Radeon R9 M485X here:
Main Specs
Radeon HD 8770M
Radeon R9 M485X
Power consumption (TDP)
250 Watt
Interface
PCIe 3.0 x8
MXM-B (3.0)
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
8 GB MB
Display Connectors
No outputs
No outputs
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Radeon HD 8770M is connected by PCIe 3.0 x8, and Radeon R9 M485X uses MXM-B (3.0) interface.
Radeon R9 M485X has 6 GB more memory, than Radeon HD 8770M.
Both cards are used in Laptops.
Radeon HD 8770M is build with GCN architecture, and Radeon R9 M485X - with GCN 3.
Core clock speed of Radeon HD 8770M is 52 MHz higher, than Radeon R9 M485X.
Radeon HD 8770M and Radeon R9 M485X are manufactured by 28 nm process technology.
Memory clock speed of Radeon R9 M485X is 500 MHz higher, than Radeon HD 8770M.
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
7−8
24−27
ultra / 1080p
4−5
14−16
QHD / 1440p
0−1
10−11
4K / 2160p
−
6−7
low / 720p
16−18
45−50
medium / 1080p
8−9
30−35
The average gaming FPS of Radeon R9 M485X in Assassin's Creed Odyssey is 233% more, than Radeon HD 8770M.
high / 1080p
12−14
35−40
ultra / 1080p
10−11
30−35
QHD / 1440p
0−1
18−20
4K / 2160p
−
10−12
low / 720p
24−27
80−85
medium / 1080p
12−14
45−50
The average gaming FPS of Radeon R9 M485X in Battlefield 5 is 233% more, than Radeon HD 8770M.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M485X in Call of Duty: Warzone is 10% more, than Radeon HD 8770M.
low / 768p
140−150
240−250
medium / 768p
110−120
210−220
ultra / 1080p
55−60
140−150
QHD / 1440p
30−33
110−120
4K / 2160p
27−30
60−65
high / 768p
80−85
180−190
The average gaming FPS of Radeon R9 M485X in Counter-Strike: Global Offensive is 111% more, than Radeon HD 8770M.
low / 768p
55−60
60−65
ultra / 1080p
20−22
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 M485X in Cyberpunk 2077 is 15% more, than Radeon HD 8770M.
low / 768p
80−85
120−130
medium / 768p
60−65
110−120
ultra / 1080p
35−40
90−95
The average gaming FPS of Radeon R9 M485X in Dota 2 is 83% more, than Radeon HD 8770M.
high / 1080p
8−9
30−35
ultra / 1080p
8−9
27−30
QHD / 1440p
−
21−24
4K / 2160p
3−4
10−11
low / 720p
18−20
60−65
medium / 1080p
9−10
30−35
The average gaming FPS of Radeon R9 M485X in Far Cry 5 is 266% more, than Radeon HD 8770M.
high / 1080p
14−16
40−45
ultra / 1080p
10−11
30−35
QHD / 1440p
−
18−20
low / 720p
60−65
140−150
medium / 1080p
24−27
85−90
The average gaming FPS of Radeon R9 M485X in Fortnite is 171% more, than Radeon HD 8770M.
high / 1080p
12−14
40−45
ultra / 1080p
10−12
30−35
QHD / 1440p
1−2
18−20
4K / 2160p
−
16−18
low / 720p
27−30
80−85
medium / 1080p
14−16
45−50
The average gaming FPS of Radeon R9 M485X in Forza Horizon 4 is 238% more, than Radeon HD 8770M.
low / 768p
50−55
110−120
medium / 768p
45−50
100−110
high / 1080p
12−14
50−55
ultra / 1080p
6−7
21−24
QHD / 1440p
0−1
10−12
The average gaming FPS of Radeon R9 M485X in Grand Theft Auto V is 151% more, than Radeon HD 8770M.
high / 1080p
5−6
16−18
ultra / 1080p
3−4
12−14
QHD / 1440p
−
12−14
4K / 2160p
0−1
4−5
low / 720p
12−14
45−50
medium / 1080p
6−7
21−24
The average gaming FPS of Radeon R9 M485X in Metro Exodus is 257% more, than Radeon HD 8770M.
low / 768p
95−100
120−130
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
110−120
The average gaming FPS of Radeon R9 M485X in Minecraft is 26% more, than Radeon HD 8770M.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
80−85
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon R9 M485X in PLAYERUNKNOWN'S BATTLEGROUNDS is 72% more, than Radeon HD 8770M.
high / 1080p
−
18−20
ultra / 1080p
7−8
12−14
QHD / 1440p
0−1
4−5
4K / 2160p
−
3−4
low / 720p
12−14
45−50
medium / 1080p
10−12
24−27
The average gaming FPS of Radeon R9 M485X in Red Dead Redemption 2 is 180% more, than Radeon HD 8770M.
low / 768p
24−27
90−95
medium / 768p
16−18
55−60
high / 1080p
9−10
30−35
ultra / 1080p
6−7
18−20
4K / 2160p
6−7
10−11
The average gaming FPS of Radeon R9 M485X in The Witcher 3: Wild Hunt is 223% more, than Radeon HD 8770M.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
20−22
45−50
high / 768p
35−40
55−60
The average gaming FPS of Radeon R9 M485X in World of Tanks is 35% more, than Radeon HD 8770M.
Full Specs
Radeon HD 8770M
Radeon R9 M485X
Architecture
GCN
GCN 3
Code name
Mars
Amethyst
Type
Laptop
Laptop
Release date
16 November 2012
14 May 2016
Pipelines
384
2048
Core clock speed
775 MHz
723 MHz
Boost Clock
825 MHz
Transistor count
950 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
19.80
92.54
Floating-point performance
633.6 gflops
2,961 gflops
Memory bus width
128 Bit
256 Bit
Memory clock speed
4500 MHz
5000 MHz
Memory bandwidth
72 GB/s
160.0 GB/s
Shared memory
-
-
DirectX
12 (11_1)
12 (12_0)
Shader Model
5.1
6.3
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2.131
1.2.131
Laptop size
medium sized
large
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