Mobility Radeon HD 4850 vs Radeon HD 7970M Crossfire
When choosing between Mobility Radeon HD 4850 and Radeon HD 7970M Crossfire, 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 7970M Crossfire.
Mobility Radeon HD 4850 and Radeon HD 7970M Crossfire are Laptop Graphics Cards
Note: Mobility Radeon HD 4850 and Radeon HD 7970M Crossfire 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 7970M Crossfire here:
Main Specs
Mobility Radeon HD 4850
Radeon HD 7970M Crossfire
Power consumption (TDP)
200 Watt
Interface
PCIe 2.0 x16
Memory type
GDDR3
GDDR5
Maximum RAM amount
1 GB
Display Connectors
No outputs
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Both cards are used in Laptops.
Mobility Radeon HD 4850 is build with Terascale 1 architecture, and Radeon HD 7970M Crossfire - with GCN.
Core clock speed of Radeon HD 7970M Crossfire is 350 MHz higher, than Mobility Radeon HD 4850.
Mobility Radeon HD 4850 is manufactured by 55 nm process technology, and Radeon HD 7970M Crossfire - by 28 nm process technology.
Memory clock speed of Radeon HD 7970M Crossfire is 3950 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
35−40
ultra / 1080p
1−2
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
14−16
60−65
medium / 1080p
5−6
40−45
The average gaming FPS of Radeon HD 7970M Crossfire in Assassin's Creed Odyssey is 583% more, than Mobility Radeon HD 4850.
high / 1080p
8−9
55−60
ultra / 1080p
6−7
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
18−20
100−110
medium / 1080p
8−9
60−65
The average gaming FPS of Radeon HD 7970M Crossfire in Battlefield 5 is 580% more, than Mobility Radeon HD 4850.
low / 768p
50−55
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
Mobility Radeon HD 4850 and Radeon HD 7970M Crossfire have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
250−260
medium / 768p
100−110
220−230
ultra / 1080p
45−50
180−190
QHD / 1440p
24−27
110−120
4K / 2160p
18−20
70−75
high / 768p
75−80
210−220
The average gaming FPS of Radeon HD 7970M Crossfire in Counter-Strike: Global Offensive is 160% more, than Mobility Radeon HD 4850.
low / 768p
65−70
60−65
ultra / 1080p
21−24
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7970M Crossfire in Cyberpunk 2077 is 5% more, than Mobility Radeon HD 4850.
low / 768p
75−80
120−130
medium / 768p
50−55
110−120
ultra / 1080p
24−27
100−110
The average gaming FPS of Radeon HD 7970M Crossfire in Dota 2 is 125% more, than Mobility Radeon HD 4850.
high / 1080p
4−5
45−50
ultra / 1080p
4−5
40−45
QHD / 1440p
−
27−30
4K / 2160p
2−3
14−16
low / 720p
14−16
80−85
medium / 1080p
5−6
45−50
The average gaming FPS of Radeon HD 7970M Crossfire in Far Cry 5 is 683% more, than Mobility Radeon HD 4850.
high / 1080p
12−14
60−65
ultra / 1080p
7−8
45−50
QHD / 1440p
4−5
27−30
4K / 2160p
−
27−30
low / 720p
55−60
180−190
medium / 1080p
14−16
110−120
The average gaming FPS of Radeon HD 7970M Crossfire in Fortnite is 357% more, than Mobility Radeon HD 4850.
high / 1080p
7−8
60−65
ultra / 1080p
−
45−50
QHD / 1440p
4−5
30−35
4K / 2160p
3−4
24−27
low / 720p
21−24
100−110
medium / 1080p
10−11
65−70
The average gaming FPS of Radeon HD 7970M Crossfire in Forza Horizon 4 is 544% more, than Mobility Radeon HD 4850.
low / 768p
50−55
140−150
medium / 768p
−
120−130
high / 1080p
7−8
70−75
ultra / 1080p
3−4
30−35
QHD / 1440p
0−1
21−24
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 7970M Crossfire in Grand Theft Auto V is 295% more, than Mobility Radeon HD 4850.
high / 1080p
2−3
24−27
ultra / 1080p
1−2
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
7−8
65−70
medium / 1080p
4−5
30−35
The average gaming FPS of Radeon HD 7970M Crossfire in Metro Exodus is 800% more, than Mobility Radeon HD 4850.
low / 768p
90−95
130−140
high / 1080p
85−90
−
ultra / 1080p
85−90
−
4K / 2160p
75−80
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon HD 7970M Crossfire in Minecraft is 46% more, than Mobility Radeon HD 4850.
ultra / 1080p
12−14
14−16
low / 720p
30−35
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7970M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 130% more, than Mobility Radeon HD 4850.
high / 1080p
−
24−27
ultra / 1080p
7−8
16−18
QHD / 1440p
−
10−11
4K / 2160p
−
7−8
low / 720p
8−9
65−70
medium / 1080p
8−9
35−40
The average gaming FPS of Radeon HD 7970M Crossfire in Red Dead Redemption 2 is 400% more, than Mobility Radeon HD 4850.
low / 768p
14−16
130−140
medium / 768p
10−11
85−90
high / 1080p
5−6
45−50
ultra / 1080p
4−5
24−27
4K / 2160p
2−3
16−18
The average gaming FPS of Radeon HD 7970M Crossfire in The Witcher 3: Wild Hunt is 785% more, than Mobility Radeon HD 4850.
low / 768p
80−85
90−95
medium / 768p
40−45
60−65
ultra / 1080p
16−18
50−55
high / 768p
30−35
60−65
The average gaming FPS of Radeon HD 7970M Crossfire in World of Tanks is 55% more, than Mobility Radeon HD 4850.
Full Specs
Mobility Radeon HD 4850
Radeon HD 7970M Crossfire
Architecture
Terascale 1
GCN
Code name
M98
Wimbledon XT
Type
Laptop
Laptop
Release date
9 January 2009
1 May 2012
Pipelines
800
2560
Core clock speed
500 MHz
850 MHz
Transistor count
956 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
20.00
Floating-point performance
800.0 gflops
Memory bus width
256 Bit
2x 256 Bit
Memory clock speed
850 MHz
4800 MHz
Memory bandwidth
54.4 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
DirectX 11.1, Shader 5.0
Shader Model
4.1
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
Laptop size
large
large
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