GRID K2 vs Mobility Radeon HD 3870 X2
In this comparison between GRID K2 and Mobility Radeon HD 3870 X2 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GRID K2 will be the best choice, for others Mobility Radeon HD 3870 X2 will be their preference. Study the comparison tables below and make your choice.
Mobility Radeon HD 3870 X2 is a Laptop Graphics Card
Note: Mobility Radeon HD 3870 X2 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 Mobility Radeon HD 3870 X2 here:
Main Specs
GRID K2
Mobility Radeon HD 3870 X2
Power consumption (TDP)
225 Watt
110 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Display Connectors
No outputs
No outputs
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GRID K2 has 104% more power consumption, than Mobility Radeon HD 3870 X2.
GRID K2 is connected by PCIe 3.0 x16, and Mobility Radeon HD 3870 X2 uses PCIe 2.0 x16 interface.
Mobility Radeon HD 3870 X2 has 508 GB more memory, than GRID K2.
GRID K2 is used in Desktops, and Mobility Radeon HD 3870 X2 - in Laptops.
GRID K2 is build with Kepler architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
Core clock speed of GRID K2 is 85 MHz higher, than Mobility Radeon HD 3870 X2.
GRID K2 is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
Memory clock speed of GRID K2 is 4150 MHz higher, than Mobility Radeon HD 3870 X2.
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
16−18
6−7
ultra / 1080p
9−10
4−5
QHD / 1440p
4−5
0−1
4K / 2160p
4−5
−
low / 720p
30−35
16−18
medium / 1080p
20−22
8−9
The average gaming FPS of GRID K2 in Assassin's Creed Odyssey is 122% more, than Mobility Radeon HD 3870 X2.
high / 1080p
24−27
12−14
ultra / 1080p
21−24
10−11
QHD / 1440p
9−10
0−1
4K / 2160p
6−7
−
low / 720p
55−60
24−27
medium / 1080p
27−30
12−14
The average gaming FPS of GRID K2 in Battlefield 5 is 120% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
GRID K2 and Mobility Radeon HD 3870 X2 have the same average FPS in Call of Duty: Warzone.
low / 768p
210−220
130−140
medium / 768p
180−190
110−120
ultra / 1080p
100−110
50−55
QHD / 1440p
55−60
27−30
4K / 2160p
30−35
27−30
high / 768p
140−150
80−85
The average gaming FPS of GRID K2 in Counter-Strike: Global Offensive is 68% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
40−45
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of GRID K2 in Cyberpunk 2077 is 19% more, than Mobility Radeon HD 3870 X2.
low / 768p
110−120
80−85
medium / 768p
95−100
55−60
ultra / 1080p
65−70
30−35
The average gaming FPS of GRID K2 in Dota 2 is 63% more, than Mobility Radeon HD 3870 X2.
high / 1080p
18−20
8−9
ultra / 1080p
18−20
7−8
QHD / 1440p
16−18
−
4K / 2160p
6−7
3−4
low / 720p
40−45
18−20
medium / 1080p
21−24
8−9
The average gaming FPS of GRID K2 in Far Cry 5 is 133% more, than Mobility Radeon HD 3870 X2.
high / 1080p
27−30
14−16
ultra / 1080p
21−24
10−11
QHD / 1440p
16−18
−
low / 720p
100−110
60−65
medium / 1080p
55−60
21−24
The average gaming FPS of GRID K2 in Fortnite is 96% more, than Mobility Radeon HD 3870 X2.
high / 1080p
27−30
12−14
ultra / 1080p
21−24
10−12
QHD / 1440p
10−11
1−2
4K / 2160p
10−11
−
low / 720p
55−60
24−27
medium / 1080p
30−35
14−16
The average gaming FPS of GRID K2 in Forza Horizon 4 is 130% more, than Mobility Radeon HD 3870 X2.
low / 768p
90−95
50−55
medium / 768p
80−85
45−50
high / 1080p
30−35
12−14
ultra / 1080p
12−14
6−7
QHD / 1440p
4−5
0−1
The average gaming FPS of GRID K2 in Grand Theft Auto V is 89% more, than Mobility Radeon HD 3870 X2.
high / 1080p
10−11
4−5
ultra / 1080p
8−9
3−4
4K / 2160p
3−4
0−1
low / 720p
30−35
12−14
medium / 1080p
14−16
6−7
The average gaming FPS of GRID K2 in Metro Exodus is 166% more, than Mobility Radeon HD 3870 X2.
low / 768p
110−120
95−100
high / 1080p
−
85−90
ultra / 1080p
−
80−85
medium / 1080p
100−110
90−95
The average gaming FPS of GRID K2 in Minecraft is 15% more, than Mobility Radeon HD 3870 X2.
high / 1080p
24−27
16−18
ultra / 1080p
18−20
14−16
low / 720p
60−65
30−35
medium / 1080p
24−27
18−20
The average gaming FPS of GRID K2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 65% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
−
ultra / 1080p
10−11
7−8
QHD / 1440p
0−1
0−1
low / 720p
30−35
12−14
medium / 1080p
16−18
10−12
The average gaming FPS of GRID K2 in Red Dead Redemption 2 is 100% more, than Mobility Radeon HD 3870 X2.
low / 768p
60−65
24−27
medium / 768p
35−40
16−18
high / 1080p
20−22
9−10
ultra / 1080p
12−14
6−7
4K / 2160p
8−9
6−7
The average gaming FPS of GRID K2 in The Witcher 3: Wild Hunt is 115% more, than Mobility Radeon HD 3870 X2.
low / 768p
100−110
85−90
medium / 768p
60−65
45−50
ultra / 1080p
35−40
18−20
high / 768p
55−60
35−40
The average gaming FPS of GRID K2 in World of Tanks is 38% more, than Mobility Radeon HD 3870 X2.
Full Specs
GRID K2
Mobility Radeon HD 3870 X2
Architecture
Kepler
RV6xx
Code name
GK104
M88-XT CF
Type
Workstation
Laptop
Release date
11 May 2013
1 September 2008
Pipelines
1536
640
Core clock speed
745 MHz
660 MHz
Transistor count
3,540 million
666 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
95.36
10.56
Floating-point performance
2x 2,289 gflops
2x 422.4 gflops
Length
267 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
5000 MHz
850 MHz
Memory bandwidth
160.0 GB/s
54.4 GB/s
Shared memory
-
DirectX
12 (11_0)
10.1 (10_1)
Shader Model
5.1
4.1
OpenGL
4.6
3.3
OpenCL
1.2
N/A
Vulkan
1.1.126
N/A
CUDA
3.0
Bitcoin / BTC (SHA256)
114 Mh/s
Laptop size
large
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