Mobility Radeon HD 4870 vs Radeon HD 7770M
In this comparison between Mobility Radeon HD 4870 and Radeon HD 7770M 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 Mobility Radeon HD 4870 will be the best choice, for others Radeon HD 7770M will be their preference. Study the comparison tables below and make your choice.
Mobility Radeon HD 4870 and Radeon HD 7770M are Laptop Graphics Cards
Note: Mobility Radeon HD 4870 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 4870 or Radeon HD 7770M here:
Main Specs
Mobility Radeon HD 4870
Radeon HD 7770M
Power consumption (TDP)
32 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Memory type
GDDR5
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 4870 and Radeon HD 7770M have maximum RAM of 1 GB.
Both cards are used in Laptops.
Mobility Radeon HD 4870 is build with Terascale 1 architecture, and Radeon HD 7770M - with GCN.
Core clock speed of Radeon HD 7770M is 125 MHz higher, than Mobility Radeon HD 4870.
Mobility Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 7770M - by 28 nm process technology.
Memory clock speed of Radeon HD 7770M is 3112 MHz higher, than Mobility Radeon HD 4870.
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
9−10
ultra / 1080p
4−5
5−6
QHD / 1440p
0−1
0−1
low / 720p
16−18
21−24
medium / 1080p
8−9
10−12
The average gaming FPS of Radeon HD 7770M in Assassin's Creed Odyssey is 33% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
14−16
ultra / 1080p
10−11
12−14
QHD / 1440p
0−1
0−1
low / 720p
24−27
30−35
medium / 1080p
12−14
16−18
The average gaming FPS of Radeon HD 7770M in Battlefield 5 is 26% more, than Mobility Radeon HD 4870.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Mobility Radeon HD 4870 and Radeon HD 7770M have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
160−170
medium / 768p
110−120
130−140
ultra / 1080p
55−60
65−70
QHD / 1440p
30−33
35−40
4K / 2160p
27−30
27−30
high / 768p
80−85
100−110
The average gaming FPS of Radeon HD 7770M in Counter-Strike: Global Offensive is 17% more, than Mobility Radeon HD 4870.
low / 768p
55−60
55−60
ultra / 1080p
20−22
24−27
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 7770M in Cyberpunk 2077 is 2% more, than Mobility Radeon HD 4870.
low / 768p
80−85
90−95
medium / 768p
60−65
70−75
ultra / 1080p
35−40
40−45
The average gaming FPS of Radeon HD 7770M in Dota 2 is 15% more, than Mobility Radeon HD 4870.
high / 1080p
8−9
10−12
ultra / 1080p
8−9
10−11
4K / 2160p
3−4
4−5
low / 720p
18−20
24−27
medium / 1080p
9−10
12−14
The average gaming FPS of Radeon HD 7770M in Far Cry 5 is 33% more, than Mobility Radeon HD 4870.
high / 1080p
14−16
18−20
ultra / 1080p
10−11
12−14
low / 720p
60−65
70−75
medium / 1080p
24−27
30−35
The average gaming FPS of Radeon HD 7770M in Fortnite is 21% more, than Mobility Radeon HD 4870.
high / 1080p
12−14
16−18
ultra / 1080p
10−12
14−16
QHD / 1440p
1−2
3−4
low / 720p
27−30
30−35
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7770M in Forza Horizon 4 is 30% more, than Mobility Radeon HD 4870.
low / 768p
50−55
60−65
medium / 768p
45−50
55−60
high / 1080p
12−14
18−20
ultra / 1080p
6−7
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7770M in Grand Theft Auto V is 24% more, than Mobility Radeon HD 4870.
high / 1080p
5−6
6−7
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
1−2
low / 720p
12−14
18−20
medium / 1080p
6−7
8−9
The average gaming FPS of Radeon HD 7770M in Metro Exodus is 28% more, than Mobility Radeon HD 4870.
low / 768p
95−100
100−110
high / 1080p
90−95
95−100
ultra / 1080p
80−85
85−90
medium / 1080p
90−95
95−100
The average gaming FPS of Radeon HD 7770M in Minecraft is 5% more, than Mobility Radeon HD 4870.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
low / 720p
30−35
40−45
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7770M in PLAYERUNKNOWN'S BATTLEGROUNDS is 15% more, than Mobility Radeon HD 4870.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
16−18
medium / 1080p
10−12
12−14
The average gaming FPS of Radeon HD 7770M in Red Dead Redemption 2 is 20% more, than Mobility Radeon HD 4870.
low / 768p
24−27
30−35
medium / 768p
16−18
21−24
high / 1080p
9−10
12−14
ultra / 1080p
6−7
7−8
4K / 2160p
6−7
7−8
The average gaming FPS of Radeon HD 7770M in The Witcher 3: Wild Hunt is 23% more, than Mobility Radeon HD 4870.
low / 768p
85−90
90−95
medium / 768p
45−50
50−55
ultra / 1080p
20−22
24−27
high / 768p
35−40
40−45
The average gaming FPS of Radeon HD 7770M in World of Tanks is 10% more, than Mobility Radeon HD 4870.
Full Specs
Mobility Radeon HD 4870
Radeon HD 7770M
Architecture
Terascale 1
GCN
Code name
M98-XT
Chelsea XT
Type
Laptop
Laptop
Release date
9 January 2009
24 April 2012
Pipelines
800
512
Core clock speed
550 MHz
675 MHz
Transistor count
956 million
1,500 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
22.00
21.60
Floating-point performance
880.0 gflops
691.2 gflops
Memory bus width
256 Bit
128 Bit
Memory clock speed
888 MHz
4000 MHz
Memory bandwidth
56.83 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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