Radeon HD 4870 vs Radeon HD 8770M
If you are going to buy a new graphics card and are choosing between Radeon HD 4870 and Radeon HD 8770M, 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 4870 stacks up against Radeon HD 8770M, check out specs charts below.
Radeon HD 8770M is a Laptop Graphics Card
Note: Radeon HD 8770M 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 8770M here:
Main Specs
Radeon HD 4870
Radeon HD 8770M
Power consumption (TDP)
150 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
2x DVI, 1x S-Video
No outputs
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Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon HD 8770M uses PCIe 3.0 x8 interface.
Radeon HD 8770M has 1 GB more memory, than Radeon HD 4870.
Radeon HD 4870 is used in Desktops, and Radeon HD 8770M - in Laptops.
Radeon HD 4870 is build with TeraScale architecture, and Radeon HD 8770M - with GCN.
Core clock speed of Radeon HD 8770M is 25 MHz higher, than Radeon HD 4870.
Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 8770M - by 28 nm process technology.
Memory clock speed of Radeon HD 8770M is 900 MHz higher, than 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
3−4
7−8
ultra / 1080p
1−2
4−5
QHD / 1440p
0−1
0−1
low / 720p
14−16
16−18
medium / 1080p
6−7
8−9
The average gaming FPS of Radeon HD 8770M in Assassin's Creed Odyssey is 50% more, than Radeon HD 4870.
high / 1080p
8−9
12−14
ultra / 1080p
6−7
10−11
QHD / 1440p
0−1
0−1
low / 720p
21−24
24−27
medium / 1080p
9−10
12−14
The average gaming FPS of Radeon HD 8770M in Battlefield 5 is 36% more, than Radeon HD 4870.
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 8770M in Call of Duty: Warzone is 4% more, than Radeon HD 4870.
low / 768p
120−130
140−150
medium / 768p
100−110
110−120
ultra / 1080p
45−50
55−60
QHD / 1440p
24−27
30−33
4K / 2160p
−
27−30
high / 768p
75−80
80−85
The average gaming FPS of Radeon HD 8770M in Counter-Strike: Global Offensive is 13% more, than Radeon HD 4870.
low / 768p
70−75
55−60
ultra / 1080p
21−24
20−22
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon HD 4870 in Cyberpunk 2077 is 7% more, than Radeon HD 8770M.
low / 768p
75−80
80−85
medium / 768p
55−60
60−65
ultra / 1080p
30−35
35−40
The average gaming FPS of Radeon HD 8770M in Dota 2 is 9% more, than Radeon HD 4870.
high / 1080p
4−5
8−9
ultra / 1080p
4−5
8−9
4K / 2160p
1−2
3−4
low / 720p
14−16
18−20
medium / 1080p
6−7
9−10
The average gaming FPS of Radeon HD 8770M in Far Cry 5 is 50% more, than Radeon HD 4870.
high / 1080p
12−14
14−16
ultra / 1080p
7−8
10−11
QHD / 1440p
4−5
−
low / 720p
60−65
60−65
medium / 1080p
18−20
24−27
The average gaming FPS of Radeon HD 8770M in Fortnite is 12% more, than Radeon HD 4870.
high / 1080p
7−8
12−14
ultra / 1080p
7−8
10−12
QHD / 1440p
0−1
1−2
low / 720p
21−24
27−30
medium / 1080p
10−11
14−16
The average gaming FPS of Radeon HD 8770M in Forza Horizon 4 is 33% more, than Radeon HD 4870.
low / 768p
50−55
50−55
medium / 768p
−
45−50
high / 1080p
10−11
12−14
ultra / 1080p
4−5
6−7
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 8770M in Grand Theft Auto V is 9% more, than Radeon HD 4870.
high / 1080p
2−3
5−6
ultra / 1080p
0−1
3−4
4K / 2160p
0−1
0−1
low / 720p
9−10
12−14
medium / 1080p
4−5
6−7
The average gaming FPS of Radeon HD 8770M in Metro Exodus is 60% more, than Radeon HD 4870.
low / 768p
85−90
95−100
high / 1080p
70−75
90−95
ultra / 1080p
−
80−85
medium / 1080p
−
90−95
The average gaming FPS of Radeon HD 8770M in Minecraft is 18% more, than Radeon HD 4870.
high / 1080p
−
16−18
ultra / 1080p
12−14
14−16
low / 720p
30−35
30−35
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 8770M in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Radeon HD 4870.
high / 1080p
7−8
−
ultra / 1080p
4−5
7−8
QHD / 1440p
0−1
0−1
low / 720p
8−9
12−14
medium / 1080p
8−9
10−12
The average gaming FPS of Radeon HD 8770M in Red Dead Redemption 2 is 42% more, than Radeon HD 4870.
low / 768p
18−20
24−27
medium / 768p
12−14
16−18
high / 1080p
7−8
9−10
ultra / 1080p
5−6
6−7
4K / 2160p
1−2
6−7
The average gaming FPS of Radeon HD 8770M in The Witcher 3: Wild Hunt is 44% more, than Radeon HD 4870.
low / 768p
75−80
85−90
medium / 768p
40−45
45−50
ultra / 1080p
18−20
20−22
high / 768p
30−35
35−40
The average gaming FPS of Radeon HD 8770M in World of Tanks is 14% more, than Radeon HD 4870.
Full Specs
Radeon HD 4870
Radeon HD 8770M
Architecture
TeraScale
GCN
Code name
RV770
Mars
Type
Desktop
Laptop
Release date
25 June 2008
16 November 2012
Pipelines
800
384
Core clock speed
750 MHz
775 MHz
Boost Clock
825 MHz
Transistor count
956 million
950 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
30.00
19.80
Floating-point performance
1,200.0 gflops
633.6 gflops
Length
250 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
3600 MHz
4500 MHz
Memory bandwidth
115.2 GB/s
72 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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