Mobility Radeon HD 4850 vs Radeon HD 7770M
When choosing between Mobility Radeon HD 4850 and Radeon HD 7770M, 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 Mobility Radeon HD 4850 and Radeon HD 7770M.
Mobility Radeon HD 4850 and Radeon HD 7770M are Laptop Graphics Cards
Note: Mobility Radeon HD 4850 and Radeon HD 7770M 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 Mobility Radeon HD 4850 or Radeon HD 7770M here:
Main Specs
Mobility Radeon HD 4850
Radeon HD 7770M
Power consumption (TDP)
32 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Memory type
GDDR3
GDDR5
Maximum RAM amount
1 GB
1 GB
Display Connectors
No outputs
No outputs
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Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Mobility Radeon HD 4850 and Radeon HD 7770M have maximum RAM of 1 GB.
Both cards are used in Laptops.
Mobility Radeon HD 4850 is build with Terascale 1 architecture, and Radeon HD 7770M - with GCN.
Core clock speed of Radeon HD 7770M is 175 MHz higher, than Mobility Radeon HD 4850.
Mobility Radeon HD 4850 is manufactured by 55 nm process technology, and Radeon HD 7770M - by 28 nm process technology.
Memory clock speed of Radeon HD 7770M is 3150 MHz higher, than Mobility Radeon HD 4850.
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
3−4
9−10
ultra / 1080p
1−2
5−6
QHD / 1440p
0−1
0−1
low / 720p
14−16
21−24
medium / 1080p
5−6
10−12
The average gaming FPS of Radeon HD 7770M in Assassin's Creed Odyssey is 100% more, than Mobility Radeon HD 4850.
high / 1080p
8−9
14−16
ultra / 1080p
6−7
12−14
QHD / 1440p
0−1
0−1
low / 720p
18−20
30−35
medium / 1080p
8−9
16−18
The average gaming FPS of Radeon HD 7770M in Battlefield 5 is 90% more, than Mobility Radeon HD 4850.
low / 768p
50−55
45−50
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 4850 in Call of Duty: Warzone is 10% more, than Radeon HD 7770M.
low / 768p
130−140
160−170
medium / 768p
100−110
130−140
ultra / 1080p
45−50
65−70
QHD / 1440p
24−27
35−40
4K / 2160p
18−20
27−30
high / 768p
75−80
100−110
The average gaming FPS of Radeon HD 7770M in Counter-Strike: Global Offensive is 30% more, than Mobility Radeon HD 4850.
low / 768p
65−70
55−60
ultra / 1080p
21−24
24−27
medium / 1080p
45−50
45−50
The average gaming FPS of Mobility Radeon HD 4850 in Cyberpunk 2077 is 4% more, than Radeon HD 7770M.
low / 768p
75−80
90−95
medium / 768p
50−55
70−75
ultra / 1080p
24−27
40−45
The average gaming FPS of Radeon HD 7770M in Dota 2 is 35% more, than Mobility Radeon HD 4850.
high / 1080p
4−5
10−12
ultra / 1080p
4−5
10−11
4K / 2160p
2−3
4−5
low / 720p
14−16
24−27
medium / 1080p
5−6
12−14
The average gaming FPS of Radeon HD 7770M in Far Cry 5 is 100% more, than Mobility Radeon HD 4850.
high / 1080p
12−14
18−20
ultra / 1080p
7−8
12−14
QHD / 1440p
4−5
−
low / 720p
55−60
70−75
medium / 1080p
14−16
30−35
The average gaming FPS of Radeon HD 7770M in Fortnite is 47% more, than Mobility Radeon HD 4850.
high / 1080p
7−8
16−18
ultra / 1080p
−
14−16
QHD / 1440p
4−5
3−4
4K / 2160p
3−4
−
low / 720p
21−24
30−35
medium / 1080p
10−11
18−20
The average gaming FPS of Radeon HD 7770M in Forza Horizon 4 is 63% more, than Mobility Radeon HD 4850.
low / 768p
50−55
60−65
medium / 768p
−
55−60
high / 1080p
7−8
18−20
ultra / 1080p
3−4
8−9
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 7770M in Grand Theft Auto V is 42% more, than Mobility Radeon HD 4850.
high / 1080p
2−3
6−7
ultra / 1080p
1−2
4−5
4K / 2160p
0−1
1−2
low / 720p
7−8
18−20
medium / 1080p
4−5
8−9
The average gaming FPS of Radeon HD 7770M in Metro Exodus is 125% more, than Mobility Radeon HD 4850.
low / 768p
90−95
100−110
high / 1080p
85−90
95−100
ultra / 1080p
85−90
85−90
4K / 2160p
75−80
−
medium / 1080p
−
95−100
The average gaming FPS of Radeon HD 7770M in Minecraft is 7% more, than Mobility Radeon HD 4850.
high / 1080p
−
18−20
ultra / 1080p
12−14
14−16
low / 720p
30−35
40−45
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7770M in PLAYERUNKNOWN'S BATTLEGROUNDS is 25% more, than Mobility Radeon HD 4850.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
−
0−1
low / 720p
8−9
16−18
medium / 1080p
8−9
12−14
The average gaming FPS of Radeon HD 7770M in Red Dead Redemption 2 is 50% more, than Mobility Radeon HD 4850.
low / 768p
14−16
30−35
medium / 768p
10−11
21−24
high / 1080p
5−6
12−14
ultra / 1080p
4−5
7−8
4K / 2160p
2−3
7−8
The average gaming FPS of Radeon HD 7770M in The Witcher 3: Wild Hunt is 128% more, than Mobility Radeon HD 4850.
low / 768p
80−85
90−95
medium / 768p
40−45
50−55
ultra / 1080p
16−18
24−27
high / 768p
30−35
40−45
The average gaming FPS of Radeon HD 7770M in World of Tanks is 23% more, than Mobility Radeon HD 4850.
Full Specs
Mobility Radeon HD 4850
Radeon HD 7770M
Architecture
Terascale 1
GCN
Code name
M98
Chelsea XT
Type
Laptop
Laptop
Release date
9 January 2009
24 April 2012
Pipelines
800
512
Core clock speed
500 MHz
675 MHz
Transistor count
956 million
1,500 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
20.00
21.60
Floating-point performance
800.0 gflops
691.2 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
850 MHz
4000 MHz
Memory bandwidth
54.4 GB/s
64 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
12 (11_1)
Shader Model
4.1
5.1
OpenGL
3.3
4.6
OpenCL
1.1
1.2
Vulkan
N/A
1.2.131
Laptop size
large
medium sized
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