Radeon HD 4850 vs Radeon HD 7850M
When choosing between Radeon HD 4850 and Radeon HD 7850M, 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 Radeon HD 4850 and Radeon HD 7850M.
Radeon HD 7850M is a Laptop Graphics Card
Note: Radeon HD 7850M 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 Radeon HD 7850M here:
Main Specs
Radeon HD 4850
Radeon HD 7850M
Power consumption (TDP)
110 Watt
40 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
2 GB
Display Connectors
2x DVI, 1x S-Video
No outputs
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Radeon HD 4850 has 175% more power consumption, than Radeon HD 7850M.
Radeon HD 4850 is connected by PCIe 2.0 x16, and Radeon HD 7850M uses PCIe 3.0 x16 interface.
Radeon HD 4850 has 510 GB more memory, than Radeon HD 7850M.
Radeon HD 4850 is used in Desktops, and Radeon HD 7850M - in Laptops.
Radeon HD 4850 is build with Terascale 1 architecture, and Radeon HD 7850M - with GCN.
Core clock speed of Radeon HD 7850M is 50 MHz higher, than Radeon HD 4850.
Radeon HD 4850 is manufactured by 55 nm process technology, and Radeon HD 7850M - by 28 nm process technology.
Memory clock speed of Radeon HD 7850M is 3007 MHz higher, than 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
1−2
6−7
ultra / 1080p
0−1
3−4
QHD / 1440p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
3−4
7−8
The average gaming FPS of Radeon HD 7850M in Assassin's Creed Odyssey is 50% more, than Radeon HD 4850.
high / 1080p
6−7
10−12
ultra / 1080p
4−5
9−10
QHD / 1440p
0−1
0−1
low / 720p
16−18
21−24
medium / 1080p
6−7
10−12
The average gaming FPS of Radeon HD 7850M in Battlefield 5 is 62% more, than Radeon HD 4850.
low / 768p
45−50
45−50
high / 1080p
40−45
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7850M in Call of Duty: Warzone is 4% more, than Radeon HD 4850.
low / 768p
120−130
120−130
medium / 768p
95−100
100−110
ultra / 1080p
40−45
50−55
QHD / 1440p
21−24
27−30
4K / 2160p
10−11
−
high / 768p
65−70
75−80
The average gaming FPS of Radeon HD 7850M in Counter-Strike: Global Offensive is 8% more, than Radeon HD 4850.
low / 768p
85−90
55−60
ultra / 1080p
18−20
16−18
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon HD 4850 in Cyberpunk 2077 is 22% more, than Radeon HD 7850M.
low / 768p
80−85
80−85
medium / 768p
55−60
55−60
ultra / 1080p
27−30
30−35
The average gaming FPS of Radeon HD 7850M in Dota 2 is 1% more, than Radeon HD 4850.
high / 1080p
2−3
7−8
ultra / 1080p
2−3
7−8
4K / 2160p
1−2
3−4
low / 720p
10−12
16−18
medium / 1080p
3−4
8−9
The average gaming FPS of Radeon HD 7850M in Far Cry 5 is 100% more, than Radeon HD 4850.
high / 1080p
10−11
14−16
ultra / 1080p
5−6
10−11
QHD / 1440p
1−2
−
low / 720p
50−55
55−60
medium / 1080p
12−14
20−22
The average gaming FPS of Radeon HD 7850M in Fortnite is 30% more, than Radeon HD 4850.
high / 1080p
5−6
10−11
QHD / 1440p
3−4
−
4K / 2160p
2−3
8−9
low / 720p
16−18
24−27
medium / 1080p
7−8
12−14
The average gaming FPS of Radeon HD 7850M in Forza Horizon 4 is 75% more, than Radeon HD 4850.
low / 768p
45−50
50−55
medium / 768p
35−40
40−45
high / 1080p
6−7
10−12
ultra / 1080p
3−4
6−7
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7850M in Grand Theft Auto V is 21% more, than Radeon HD 4850.
high / 1080p
1−2
4−5
ultra / 1080p
0−1
3−4
4K / 2160p
−
0−1
low / 720p
5−6
10−12
medium / 1080p
3−4
6−7
The average gaming FPS of Radeon HD 7850M in Metro Exodus is 133% more, than Radeon HD 4850.
low / 768p
95−100
90−95
high / 1080p
60−65
85−90
ultra / 1080p
−
75−80
medium / 1080p
85−90
90−95
The average gaming FPS of Radeon HD 7850M in Minecraft is 9% more, than Radeon HD 4850.
high / 1080p
−
16−18
ultra / 1080p
12−14
14−16
low / 720p
27−30
30−33
medium / 1080p
14−16
16−18
The average gaming FPS of Radeon HD 7850M in PLAYERUNKNOWN'S BATTLEGROUNDS is 16% more, than Radeon HD 4850.
ultra / 1080p
−
7−8
QHD / 1440p
−
0−1
low / 720p
5−6
10−12
medium / 1080p
−
10−11
The average gaming FPS of Radeon HD 7850M in Red Dead Redemption 2 is 120% more, than Radeon HD 4850.
low / 768p
12−14
21−24
medium / 768p
9−10
14−16
high / 1080p
5−6
8−9
ultra / 1080p
4−5
6−7
4K / 2160p
1−2
−
The average gaming FPS of Radeon HD 7850M in The Witcher 3: Wild Hunt is 62% more, than Radeon HD 4850.
low / 768p
65−70
85−90
medium / 768p
35−40
40−45
ultra / 1080p
14−16
18−20
high / 768p
27−30
35−40
The average gaming FPS of Radeon HD 7850M in World of Tanks is 24% more, than Radeon HD 4850.
Full Specs
Radeon HD 4850
Radeon HD 7850M
Architecture
Terascale 1
GCN
Code name
RV770
Heathrow Pro
Type
Desktop
Laptop
Release date
25 June 2008
24 April 2012
Pipelines
800
640
Core clock speed
625 MHz
675 MHz
Transistor count
956 million
1,500 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
25.00
27.00
Floating-point performance
1,000.0 gflops
864.0 gflops
Length
246 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
993 MHz
4000 MHz
Memory bandwidth
63.55 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
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