Radeon HD 4870 vs Radeon HD 6850M
When comparing Radeon HD 4870 and Radeon HD 6850M, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 4870 and Radeon HD 6850M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Radeon HD 6850M is a Laptop Graphics Card
Note: Radeon HD 6850M 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 6850M here:
Main Specs
Radeon HD 4870
Radeon HD 6850M
Power consumption (TDP)
150 Watt
50 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
1 GB
1 GB
Display Connectors
2x DVI, 1x S-Video
No outputs
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Radeon HD 4870 has 200% more power consumption, than Radeon HD 6850M.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Radeon HD 4870 and Radeon HD 6850M have maximum RAM of 1 GB.
Radeon HD 4870 is used in Desktops, and Radeon HD 6850M - in Laptops.
Radeon HD 4870 is build with TeraScale architecture, and Radeon HD 6850M - with Terascale 2.
Core clock speed of Radeon HD 4870 is 175 MHz higher, than Radeon HD 6850M.
Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 6850M - by 40 nm process technology.
Memory clock speed of Radeon HD 4870 is 2800 MHz higher, than Radeon HD 6850M.
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
2−3
ultra / 1080p
1−2
0−1
QHD / 1440p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
6−7
3−4
The average gaming FPS of Radeon HD 4870 in Assassin's Creed Odyssey is 33% more, than Radeon HD 6850M.
high / 1080p
8−9
−
ultra / 1080p
6−7
4−5
QHD / 1440p
0−1
0−1
low / 720p
21−24
14−16
medium / 1080p
9−10
6−7
The average gaming FPS of Radeon HD 4870 in Battlefield 5 is 50% more, than Radeon HD 6850M.
low / 768p
45−50
50−55
high / 1080p
40−45
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6850M in Call of Duty: Warzone is 11% more, than Radeon HD 4870.
low / 768p
120−130
120−130
medium / 768p
100−110
95−100
ultra / 1080p
45−50
40−45
QHD / 1440p
24−27
−
4K / 2160p
−
10−11
high / 768p
75−80
65−70
The average gaming FPS of Radeon HD 4870 in Counter-Strike: Global Offensive is 6% more, than Radeon HD 6850M.
low / 768p
70−75
70−75
ultra / 1080p
21−24
16−18
medium / 1080p
40−45
45−50
Radeon HD 4870 and Radeon HD 6850M have the same average FPS in Cyberpunk 2077.
low / 768p
75−80
75−80
medium / 768p
55−60
45−50
ultra / 1080p
30−35
21−24
The average gaming FPS of Radeon HD 4870 in Dota 2 is 12% more, than Radeon HD 6850M.
high / 1080p
4−5
3−4
ultra / 1080p
4−5
3−4
4K / 2160p
1−2
1−2
low / 720p
14−16
12−14
medium / 1080p
6−7
4−5
The average gaming FPS of Radeon HD 4870 in Far Cry 5 is 20% more, than Radeon HD 6850M.
high / 1080p
12−14
10−12
ultra / 1080p
7−8
6−7
QHD / 1440p
4−5
2−3
low / 720p
60−65
50−55
medium / 1080p
18−20
10−12
The average gaming FPS of Radeon HD 4870 in Fortnite is 31% more, than Radeon HD 6850M.
high / 1080p
7−8
4−5
ultra / 1080p
7−8
−
QHD / 1440p
0−1
0−1
low / 720p
21−24
18−20
medium / 1080p
10−11
7−8
The average gaming FPS of Radeon HD 4870 in Forza Horizon 4 is 30% more, than Radeon HD 6850M.
low / 768p
50−55
45−50
high / 1080p
10−11
5−6
ultra / 1080p
4−5
3−4
QHD / 1440p
0−1
0−1
medium / 720p
40−45
35−40
The average gaming FPS of Radeon HD 4870 in Grand Theft Auto V is 17% more, than Radeon HD 6850M.
high / 1080p
2−3
1−2
ultra / 1080p
0−1
0−1
4K / 2160p
0−1
0−1
low / 720p
9−10
5−6
medium / 1080p
4−5
3−4
The average gaming FPS of Radeon HD 4870 in Metro Exodus is 66% more, than Radeon HD 6850M.
low / 768p
85−90
90−95
high / 1080p
70−75
60−65
The average gaming FPS of Radeon HD 4870 in Minecraft is 3% more, than Radeon HD 6850M.
high / 1080p
−
14−16
ultra / 1080p
12−14
12−14
low / 720p
30−35
27−30
medium / 1080p
14−16
14−16
The average gaming FPS of Radeon HD 4870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 11% more, than Radeon HD 6850M.
high / 1080p
7−8
−
ultra / 1080p
4−5
3−4
QHD / 1440p
0−1
0−1
low / 720p
8−9
6−7
medium / 1080p
8−9
−
The average gaming FPS of Radeon HD 4870 in Red Dead Redemption 2 is 20% more, than Radeon HD 6850M.
low / 768p
18−20
10−12
medium / 768p
12−14
8−9
high / 1080p
7−8
4−5
ultra / 1080p
5−6
3−4
4K / 2160p
1−2
0−1
The average gaming FPS of Radeon HD 4870 in The Witcher 3: Wild Hunt is 83% more, than Radeon HD 6850M.
low / 768p
75−80
75−80
medium / 768p
40−45
40−45
ultra / 1080p
18−20
14−16
high / 768p
30−35
30−35
The average gaming FPS of Radeon HD 4870 in World of Tanks is 2% more, than Radeon HD 6850M.
Full Specs
Radeon HD 4870
Radeon HD 6850M
Architecture
TeraScale
Terascale 2
Code name
RV770
Granville Pro/LP
Type
Desktop
Laptop
Release date
25 June 2008
6 January 2011
Pipelines
800
800
Core clock speed
750 MHz
575 / 675 MHz
Transistor count
956 million
1,040 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
30.00
27.00
Floating-point performance
1,200.0 gflops
1,080.0 gflops
Length
250 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
3600 MHz
800 MHz
Memory bandwidth
115.2 GB/s
25.6 GB/s
Shared memory
-
DirectX
10.1 (10_1)
11.2 (11_0)
Shader Model
4.1
5.0
OpenGL
3.3
4.4
OpenCL
1.1
1.2
Vulkan
N/A
N/A
Laptop size
large
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