Radeon HD 4890 vs Radeon HD 7770M
When choosing between Radeon HD 4890 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 Radeon HD 4890 and Radeon HD 7770M.
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 4890
Radeon HD 7770M
Power consumption (TDP)
190 Watt
32 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Display Connectors
2x DVI, 1x S-Video
No outputs
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Radeon HD 4890 has 493% more power consumption, than Radeon HD 7770M.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Radeon HD 4890 and Radeon HD 7770M have maximum RAM of 1 GB.
Radeon HD 4890 is used in Desktops, and Radeon HD 7770M - in Laptops.
Radeon HD 4890 is build with TeraScale architecture, and Radeon HD 7770M - with GCN.
Core clock speed of Radeon HD 4890 is 175 MHz higher, than Radeon HD 7770M.
Radeon HD 4890 is manufactured by 55 nm process technology, and Radeon HD 7770M - by 28 nm process technology.
Memory clock speed of Radeon HD 7770M is 100 MHz higher, than Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Radeon HD 4890 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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
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 Radeon HD 4890.
Full Specs
Radeon HD 4890
Radeon HD 7770M
Architecture
TeraScale
GCN
Code name
RV790
Chelsea XT
Type
Desktop
Laptop
Release date
2 April 2009
24 April 2012
Pipelines
800
512
Core clock speed
850 MHz
675 MHz
Transistor count
959 million
1,500 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
34.00
21.60
Floating-point performance
1,360.0 gflops
691.2 gflops
Length
241 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
3900 MHz
4000 MHz
Memory bandwidth
124.8 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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