ATI Mobility Radeon HD 3870 X2 vs R9 M395X

Aggregate performance score

We've compared Radeon R9 M395X and Mobility Radeon HD 3870 X2, covering specs and all relevant benchmarks.

R9 M395X
2015
4 GB GDDR5, 250 Watt
13.46
+506%

R9 M395X outperforms ATI Mobility HD 3870 X2 by a whopping 506% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking380853
Place by popularitynot in top-100not in top-100
Power efficiency12.411.40
ArchitectureGCN 3.0 (2014−2019)TeraScale (2005−2013)
GPU code nameAmethystM88
Market segmentLaptopLaptop
Release date5 May 2015 (9 years ago)1 September 2008 (16 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores2048320
Core clock speed723 MHz660 MHz
Number of transistors5,000 million666 million
Manufacturing process technology28 nm55 nm
Power consumption (TDP)250 Watt110 Watt
Texture fill rate92.5410.56
Floating-point processing power2.961 TFLOPS0.4224 TFLOPS
ROPs3216
TMUs12816

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizelargelarge
Bus supportPCIe 3.0no data
InterfacePCIe 3.0 x16PCIe 2.0 x16
Supplementary power connectorsNoneno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR3
Maximum RAM amount4 GB512 MB
Memory bus width256 Bit256 Bit
Memory clock speed1250 MHz850 MHz
Memory bandwidth160.0 GB/s54.4 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs
Eyefinity+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-
HD3D+-
PowerTune+-
DualGraphics+-
TrueAudio+-
ZeroCore+-
Switchable graphics+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectXDirectX® 1210.1 (10_1)
Shader Model6.34.1
OpenGL4.43.3
OpenCLNot ListedN/A
Vulkan-N/A
Mantle+-

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 21−24
+320%
5−6
−320%

Full HD
Medium Preset

Assassin's Creed Odyssey 30−35
+288%
8−9
−288%
Assassin's Creed Valhalla 21−24
+600%
3−4
−600%
Battlefield 5 40−45
+2050%
2−3
−2050%
Call of Duty: Modern Warfare 27−30
+350%
6−7
−350%
Cyberpunk 2077 21−24
+320%
5−6
−320%
Far Cry 5 30−35
+675%
4−5
−675%
Far Cry New Dawn 35−40
+517%
6−7
−517%
Forza Horizon 4 85−90
+780%
10−11
−780%
Hitman 3 24−27
+257%
7−8
−257%
Horizon Zero Dawn 70−75
+268%
18−20
−268%
Metro Exodus 45−50 0−1
Red Dead Redemption 2 35−40
+640%
5−6
−640%
Shadow of the Tomb Raider 40−45
+340%
10−11
−340%
Watch Dogs: Legion 70−75
+106%
35−40
−106%

Full HD
High Preset

Assassin's Creed Odyssey 30−35
+288%
8−9
−288%
Assassin's Creed Valhalla 21−24
+600%
3−4
−600%
Battlefield 5 40−45
+2050%
2−3
−2050%
Call of Duty: Modern Warfare 27−30
+350%
6−7
−350%
Cyberpunk 2077 21−24
+320%
5−6
−320%
Far Cry 5 30−35
+675%
4−5
−675%
Far Cry New Dawn 35−40
+517%
6−7
−517%
Forza Horizon 4 85−90
+780%
10−11
−780%
Hitman 3 24−27
+257%
7−8
−257%
Horizon Zero Dawn 70−75
+268%
18−20
−268%
Metro Exodus 45−50 0−1
Red Dead Redemption 2 35−40
+640%
5−6
−640%
Shadow of the Tomb Raider 40−45
+340%
10−11
−340%
The Witcher 3: Wild Hunt 30−35
+154%
12−14
−154%
Watch Dogs: Legion 70−75
+106%
35−40
−106%

Full HD
Ultra Preset

Assassin's Creed Odyssey 30−35
+288%
8−9
−288%
Assassin's Creed Valhalla 21−24
+600%
3−4
−600%
Call of Duty: Modern Warfare 27−30
+350%
6−7
−350%
Cyberpunk 2077 21−24
+320%
5−6
−320%
Far Cry 5 30−35
+675%
4−5
−675%
Forza Horizon 4 85−90
+780%
10−11
−780%
Hitman 3 24−27
+257%
7−8
−257%
Horizon Zero Dawn 70−75
+268%
18−20
−268%
Shadow of the Tomb Raider 40−45
+340%
10−11
−340%
The Witcher 3: Wild Hunt 30−35
+154%
12−14
−154%
Watch Dogs: Legion 70−75
+106%
35−40
−106%

Full HD
Epic Preset

Red Dead Redemption 2 35−40
+640%
5−6
−640%

1440p
High Preset

Battlefield 5 24−27
+767%
3−4
−767%
Far Cry New Dawn 21−24
+600%
3−4
−600%

1440p
Ultra Preset

Assassin's Creed Odyssey 12−14
+550%
2−3
−550%
Assassin's Creed Valhalla 10−11
+900%
1−2
−900%
Call of Duty: Modern Warfare 14−16
+1300%
1−2
−1300%
Cyberpunk 2077 7−8
+600%
1−2
−600%
Far Cry 5 16−18
+700%
2−3
−700%
Forza Horizon 4 65−70
+580%
10−11
−580%
Hitman 3 16−18
+129%
7−8
−129%
Horizon Zero Dawn 27−30
+350%
6−7
−350%
Metro Exodus 21−24
+667%
3−4
−667%
Shadow of the Tomb Raider 21−24
+667%
3−4
−667%
The Witcher 3: Wild Hunt 14−16
+1300%
1−2
−1300%
Watch Dogs: Legion 80−85
+600%
12−14
−600%

1440p
Epic Preset

Red Dead Redemption 2 21−24
+340%
5−6
−340%

4K
High Preset

Battlefield 5 12−14 0−1
Far Cry New Dawn 10−11
+900%
1−2
−900%
Hitman 3 9−10
+800%
1−2
−800%
Horizon Zero Dawn 65−70
+550%
10−11
−550%
Metro Exodus 12−14
+550%
2−3
−550%
The Witcher 3: Wild Hunt 12−14
+1100%
1−2
−1100%

4K
Ultra Preset

Assassin's Creed Odyssey 8−9
+300%
2−3
−300%
Assassin's Creed Valhalla 6−7
+500%
1−2
−500%
Call of Duty: Modern Warfare 7−8
+600%
1−2
−600%
Cyberpunk 2077 2−3 0−1
Far Cry 5 7−8
+600%
1−2
−600%
Forza Horizon 4 18−20
+800%
2−3
−800%
Shadow of the Tomb Raider 12−14
+1100%
1−2
−1100%
Watch Dogs: Legion 5−6 0−1

4K
Epic Preset

Red Dead Redemption 2 12−14
+300%
3−4
−300%

Here's the range of performance differences observed across popular games:

  • in Battlefield 5, with 1080p resolution and the Medium Preset, the R9 M395X is 2050% faster.

All in all, in popular games:

  • Without exception, R9 M395X surpassed ATI Mobility HD 3870 X2 in all 54 of our tests.

Pros & cons summary


Performance score 13.46 2.22
Recency 5 May 2015 1 September 2008
Maximum RAM amount 4 GB 512 MB
Chip lithography 28 nm 55 nm
Power consumption (TDP) 250 Watt 110 Watt

R9 M395X has a 506.3% higher aggregate performance score, an age advantage of 6 years, a 700% higher maximum VRAM amount, and a 96.4% more advanced lithography process.

ATI Mobility HD 3870 X2, on the other hand, has 127.3% lower power consumption.

The Radeon R9 M395X is our recommended choice as it beats the Mobility Radeon HD 3870 X2 in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon R9 M395X
Radeon R9 M395X
ATI Mobility Radeon HD 3870 X2
Mobility Radeon HD 3870 X2

Comparisons with similar GPUs

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Community ratings

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4.3 15 votes

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