Radeon HD 4850 vs Radeon HD 7770M
If you are going to buy a new graphics card and are choosing between Radeon HD 4850 and Radeon HD 7770M, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 4850 stacks up against Radeon HD 7770M, check out specs charts below.
Radeon HD 7770M is a Laptop Graphics Card
Note: Radeon HD 7770M 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 7770M here:
Main Specs
Radeon HD 4850
Radeon HD 7770M
Power consumption (TDP)
110 Watt
32 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
1 GB
Display Connectors
2x DVI, 1x S-Video
No outputs
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Radeon HD 4850 has 243% more power consumption, than Radeon HD 7770M.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Radeon HD 4850 has 511 GB more memory, than Radeon HD 7770M.
Radeon HD 4850 is used in Desktops, and Radeon HD 7770M - in Laptops.
Radeon HD 4850 is build with Terascale 1 architecture, and Radeon HD 7770M - with GCN.
Core clock speed of Radeon HD 7770M is 50 MHz higher, than Radeon HD 4850.
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 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
9−10
ultra / 1080p
0−1
5−6
QHD / 1440p
0−1
0−1
low / 720p
12−14
21−24
medium / 1080p
3−4
10−12
The average gaming FPS of Radeon HD 7770M in Assassin's Creed Odyssey is 133% more, than Radeon HD 4850.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
12−14
QHD / 1440p
0−1
0−1
low / 720p
16−18
30−35
medium / 1080p
6−7
16−18
The average gaming FPS of Radeon HD 7770M in Battlefield 5 is 137% more, than Radeon HD 4850.
low / 768p
45−50
45−50
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
Radeon HD 4850 and Radeon HD 7770M have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
160−170
medium / 768p
95−100
130−140
ultra / 1080p
40−45
65−70
QHD / 1440p
21−24
35−40
4K / 2160p
10−11
27−30
high / 768p
65−70
100−110
The average gaming FPS of Radeon HD 7770M in Counter-Strike: Global Offensive is 48% more, than Radeon HD 4850.
low / 768p
85−90
55−60
ultra / 1080p
18−20
24−27
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon HD 4850 in Cyberpunk 2077 is 13% more, than Radeon HD 7770M.
low / 768p
80−85
90−95
medium / 768p
55−60
70−75
ultra / 1080p
27−30
40−45
The average gaming FPS of Radeon HD 7770M in Dota 2 is 23% more, than Radeon HD 4850.
high / 1080p
2−3
10−12
ultra / 1080p
2−3
10−11
4K / 2160p
1−2
4−5
low / 720p
10−12
24−27
medium / 1080p
3−4
12−14
The average gaming FPS of Radeon HD 7770M in Far Cry 5 is 200% more, than Radeon HD 4850.
high / 1080p
10−11
18−20
ultra / 1080p
5−6
12−14
QHD / 1440p
1−2
−
low / 720p
50−55
70−75
medium / 1080p
12−14
30−35
The average gaming FPS of Radeon HD 7770M in Fortnite is 70% more, than Radeon HD 4850.
high / 1080p
5−6
16−18
ultra / 1080p
−
14−16
QHD / 1440p
3−4
3−4
4K / 2160p
2−3
−
low / 720p
16−18
30−35
medium / 1080p
7−8
18−20
The average gaming FPS of Radeon HD 7770M in Forza Horizon 4 is 125% more, than Radeon HD 4850.
low / 768p
45−50
60−65
medium / 768p
35−40
55−60
high / 1080p
6−7
18−20
ultra / 1080p
3−4
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7770M in Grand Theft Auto V is 56% more, than Radeon HD 4850.
high / 1080p
1−2
6−7
ultra / 1080p
0−1
4−5
4K / 2160p
−
1−2
low / 720p
5−6
18−20
medium / 1080p
3−4
8−9
The average gaming FPS of Radeon HD 7770M in Metro Exodus is 266% more, than Radeon HD 4850.
low / 768p
95−100
100−110
high / 1080p
60−65
95−100
ultra / 1080p
−
85−90
medium / 1080p
85−90
95−100
The average gaming FPS of Radeon HD 7770M in Minecraft is 21% more, than Radeon HD 4850.
high / 1080p
−
18−20
ultra / 1080p
12−14
14−16
low / 720p
27−30
40−45
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7770M in PLAYERUNKNOWN'S BATTLEGROUNDS is 38% more, than Radeon HD 4850.
high / 1080p
−
12−14
ultra / 1080p
−
8−9
QHD / 1440p
−
0−1
low / 720p
5−6
16−18
medium / 1080p
−
12−14
The average gaming FPS of Radeon HD 7770M in Red Dead Redemption 2 is 240% more, than Radeon HD 4850.
low / 768p
12−14
30−35
medium / 768p
9−10
21−24
high / 1080p
5−6
12−14
ultra / 1080p
4−5
7−8
4K / 2160p
1−2
7−8
The average gaming FPS of Radeon HD 7770M in The Witcher 3: Wild Hunt is 166% more, than Radeon HD 4850.
low / 768p
65−70
90−95
medium / 768p
35−40
50−55
ultra / 1080p
14−16
24−27
high / 768p
27−30
40−45
The average gaming FPS of Radeon HD 7770M in World of Tanks is 43% more, than Radeon HD 4850.
Full Specs
Radeon HD 4850
Radeon HD 7770M
Architecture
Terascale 1
GCN
Code name
RV770
Chelsea XT
Type
Desktop
Laptop
Release date
25 June 2008
24 April 2012
Pipelines
800
512
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
21.60
Floating-point performance
1,000.0 gflops
691.2 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
medium sized
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