FirePro W4100 vs Mobility Radeon HD 3870 X2
In this comparison between FirePro W4100 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 FirePro W4100 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
FirePro W4100
Mobility Radeon HD 3870 X2
Power consumption (TDP)
50 Watt
110 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Display Connectors
4x mini-DisplayPort
No outputs
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Mobility Radeon HD 3870 X2 has 120% more power consumption, than FirePro W4100.
FirePro W4100 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 510 GB more memory, than FirePro W4100.
FirePro W4100 is used in Desktops, and Mobility Radeon HD 3870 X2 - in Laptops.
FirePro W4100 is build with GCN architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
Core clock speed of Mobility Radeon HD 3870 X2 is 30 MHz higher, than FirePro W4100.
FirePro W4100 is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
Memory clock speed of FirePro W4100 is 3150 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
6−7
6−7
ultra / 1080p
4−5
4−5
QHD / 1440p
0−1
0−1
low / 720p
16−18
16−18
medium / 1080p
8−9
8−9
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in Assassin's Creed Odyssey.
high / 1080p
12−14
12−14
ultra / 1080p
10−11
10−11
QHD / 1440p
0−1
0−1
low / 720p
24−27
24−27
medium / 1080p
12−14
12−14
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in Battlefield 5.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
130−140
medium / 768p
110−120
110−120
ultra / 1080p
50−55
50−55
QHD / 1440p
30−33
27−30
4K / 2160p
27−30
27−30
high / 768p
80−85
80−85
The average gaming FPS of FirePro W4100 in Counter-Strike: Global Offensive is 1% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
18−20
18−20
medium / 1080p
45−50
45−50
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in Cyberpunk 2077.
low / 768p
80−85
80−85
medium / 768p
60−65
55−60
ultra / 1080p
30−35
30−35
The average gaming FPS of FirePro W4100 in Dota 2 is 3% more, than Mobility Radeon HD 3870 X2.
high / 1080p
8−9
8−9
ultra / 1080p
8−9
7−8
4K / 2160p
3−4
3−4
low / 720p
18−20
18−20
medium / 1080p
9−10
8−9
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in Far Cry 5.
high / 1080p
14−16
14−16
ultra / 1080p
10−11
10−11
low / 720p
60−65
60−65
medium / 1080p
21−24
21−24
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in Fortnite.
high / 1080p
12−14
12−14
ultra / 1080p
10−12
10−12
QHD / 1440p
1−2
1−2
low / 720p
24−27
24−27
medium / 1080p
14−16
14−16
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in Forza Horizon 4.
low / 768p
50−55
50−55
medium / 768p
45−50
45−50
high / 1080p
12−14
12−14
ultra / 1080p
6−7
6−7
QHD / 1440p
0−1
0−1
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in Grand Theft Auto V.
high / 1080p
5−6
4−5
ultra / 1080p
3−4
3−4
4K / 2160p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
6−7
6−7
The average gaming FPS of FirePro W4100 in Metro Exodus is 16% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
95−100
high / 1080p
90−95
85−90
ultra / 1080p
80−85
80−85
medium / 1080p
90−95
90−95
The average gaming FPS of FirePro W4100 in Minecraft is 1% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
30−35
30−35
medium / 1080p
18−20
18−20
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
10−12
10−12
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in Red Dead Redemption 2.
low / 768p
24−27
24−27
medium / 768p
16−18
16−18
high / 1080p
9−10
9−10
ultra / 1080p
6−7
6−7
4K / 2160p
6−7
6−7
FirePro W4100 and Mobility Radeon HD 3870 X2 have the same average FPS in The Witcher 3: Wild Hunt.
low / 768p
85−90
85−90
medium / 768p
45−50
45−50
ultra / 1080p
20−22
18−20
high / 768p
35−40
35−40
The average gaming FPS of FirePro W4100 in World of Tanks is 2% more, than Mobility Radeon HD 3870 X2.
Full Specs
FirePro W4100
Mobility Radeon HD 3870 X2
Architecture
GCN
RV6xx
Code name
Cape Verde
M88-XT CF
Type
Workstation
Laptop
Release date
2 October 2015
1 September 2008
Pipelines
512
640
Core clock speed
630 MHz
660 MHz
Transistor count
1,500 million
666 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
20.16
10.56
Floating-point performance
645.1 gflops
2x 422.4 gflops
Length
171 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
4000 MHz
850 MHz
Memory bandwidth
72 GB/s
54.4 GB/s
Shared memory
-
-
DirectX
12 (11_1)
10.1 (10_1)
Shader Model
5.1
4.1
OpenGL
4.6
3.3
OpenCL
1.2
N/A
Vulkan
1.2.131
N/A
Bus support
PCIe 3.0
Bitcoin / BTC (SHA256)
79 Mh/s
Laptop size
large
Form factor
low profile / half length
Dual-link DVI support
+
AppAcceleration
+
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