ATI Mobility Radeon HD 3870 vs RX 580 Mobile

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Aggregate performance score

We've compared Radeon RX 580 Mobile and Mobility Radeon HD 3870, covering specs and all relevant benchmarks.

RX 580 Mobile
2017
8 GB GDDR5, 100 Watt
19.64
+1313%

RX 580 Mobile outperforms ATI Mobility HD 3870 by a whopping 1313% based on our aggregate benchmark results.

Primary details

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

Place in the ranking2771000
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation24.36no data
Power efficiency14.171.82
ArchitectureGCN 4.0 (2016−2020)TeraScale (2005−2013)
GPU code namePolaris 20M88
Market segmentLaptopLaptop
Release date18 April 2017 (7 years ago)4 June 2008 (16 years ago)
Launch price (MSRP)$301.69 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores2304320
Core clock speed1000 MHz660 MHz
Boost clock speed1077 MHzno data
Number of transistors5,700 million666 million
Manufacturing process technology14 nm55 nm
Power consumption (TDP)100 Watt55 Watt
Texture fill rate155.110.56
Floating-point processing power4.963 TFLOPS0.4224 TFLOPS
ROPs3216
TMUs14416

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
InterfaceMXM-B (3.0)PCIe 2.0 x16

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 amount8 GB512 MB
Memory bus width256 Bit256 Bit
Memory clock speed2000 MHz850 MHz
Memory bandwidth256.0 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

API compatibility

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

DirectX12 (12_0)10.1 (10_1)
Shader Model6.44.1
OpenGL4.63.3
OpenCL2.0N/A
Vulkan1.2.131N/A

Gaming performance

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

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD77
+1440%
5−6
−1440%
4K31
+1450%
2−3
−1450%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 30−35
+725%
4−5
−725%

Full HD
Medium Preset

Assassin's Creed Odyssey 45−50
+667%
6−7
−667%
Assassin's Creed Valhalla 35−40
+1650%
2−3
−1650%
Battlefield 5 65−70
+1600%
4−5
−1600%
Call of Duty: Modern Warfare 40−45
+950%
4−5
−950%
Cyberpunk 2077 30−35
+725%
4−5
−725%
Far Cry 5 45−50
+4700%
1−2
−4700%
Far Cry New Dawn 55−60
+1733%
3−4
−1733%
Forza Horizon 4 120−130
+4100%
3−4
−4100%
Hitman 3 40−45
+567%
6−7
−567%
Horizon Zero Dawn 95−100
+607%
14−16
−607%
Metro Exodus 70−75
+1320%
5−6
−1320%
Red Dead Redemption 2 55−60
+2650%
2−3
−2650%
Shadow of the Tomb Raider 65−70
+750%
8−9
−750%
Watch Dogs: Legion 90−95
+182%
30−35
−182%

Full HD
High Preset

Assassin's Creed Odyssey 45−50
+667%
6−7
−667%
Assassin's Creed Valhalla 35−40
+1650%
2−3
−1650%
Battlefield 5 65−70
+1600%
4−5
−1600%
Call of Duty: Modern Warfare 40−45
+950%
4−5
−950%
Cyberpunk 2077 30−35
+725%
4−5
−725%
Far Cry 5 45−50
+4700%
1−2
−4700%
Far Cry New Dawn 55−60
+1733%
3−4
−1733%
Forza Horizon 4 120−130
+4100%
3−4
−4100%
Hitman 3 40−45
+567%
6−7
−567%
Horizon Zero Dawn 95−100
+607%
14−16
−607%
Metro Exodus 70−75
+1320%
5−6
−1320%
Red Dead Redemption 2 55−60
+2650%
2−3
−2650%
Shadow of the Tomb Raider 65−70
+750%
8−9
−750%
The Witcher 3: Wild Hunt 45−50
+318%
10−12
−318%
Watch Dogs: Legion 90−95
+182%
30−35
−182%

Full HD
Ultra Preset

Assassin's Creed Odyssey 45−50
+667%
6−7
−667%
Assassin's Creed Valhalla 35−40
+1650%
2−3
−1650%
Call of Duty: Modern Warfare 40−45
+950%
4−5
−950%
Cyberpunk 2077 30−35
+725%
4−5
−725%
Far Cry 5 45−50
+4700%
1−2
−4700%
Forza Horizon 4 120−130
+4100%
3−4
−4100%
Hitman 3 40−45
+567%
6−7
−567%
Horizon Zero Dawn 95−100
+607%
14−16
−607%
Shadow of the Tomb Raider 65−70
+750%
8−9
−750%
The Witcher 3: Wild Hunt 37
+236%
10−12
−236%
Watch Dogs: Legion 90−95
+182%
30−35
−182%

Full HD
Epic Preset

Red Dead Redemption 2 55−60
+2650%
2−3
−2650%

1440p
High Preset

Battlefield 5 35−40
+3800%
1−2
−3800%
Far Cry New Dawn 30−35
+1450%
2−3
−1450%

1440p
Ultra Preset

Assassin's Creed Odyssey 21−24
+2000%
1−2
−2000%
Assassin's Creed Valhalla 18−20
+1800%
1−2
−1800%
Call of Duty: Modern Warfare 21−24 0−1
Cyberpunk 2077 12−14
+1100%
1−2
−1100%
Far Cry 5 24−27
+2300%
1−2
−2300%
Forza Horizon 4 110−120
+1338%
8−9
−1338%
Hitman 3 24−27
+243%
7−8
−243%
Horizon Zero Dawn 40−45
+740%
5−6
−740%
Metro Exodus 35−40
+1800%
2−3
−1800%
Shadow of the Tomb Raider 40−45
+2000%
2−3
−2000%
The Witcher 3: Wild Hunt 24−27
+2300%
1−2
−2300%
Watch Dogs: Legion 120−130
+1917%
6−7
−1917%

1440p
Epic Preset

Red Dead Redemption 2 30−35
+750%
4−5
−750%

4K
High Preset

Battlefield 5 20−22
+1900%
1−2
−1900%
Far Cry New Dawn 16−18 0−1
Hitman 3 16−18
+1500%
1−2
−1500%
Horizon Zero Dawn 100−110
+1429%
7−8
−1429%
Metro Exodus 21−24
+2100%
1−2
−2100%
The Witcher 3: Wild Hunt 24
+2300%
1−2
−2300%

4K
Ultra Preset

Assassin's Creed Odyssey 12−14
+1100%
1−2
−1100%
Assassin's Creed Valhalla 10−12
+1000%
1−2
−1000%
Call of Duty: Modern Warfare 10−12 0−1
Cyberpunk 2077 4−5 0−1
Far Cry 5 10−12 0−1
Forza Horizon 4 27−30
+2700%
1−2
−2700%
Shadow of the Tomb Raider 24−27
+2300%
1−2
−2300%
Watch Dogs: Legion 9−10 0−1

4K
Epic Preset

Red Dead Redemption 2 18−20
+500%
3−4
−500%

This is how RX 580 Mobile and ATI Mobility HD 3870 compete in popular games:

  • RX 580 Mobile is 1440% faster in 1080p
  • RX 580 Mobile is 1450% faster in 4K

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

  • in Far Cry 5, with 1080p resolution and the Medium Preset, the RX 580 Mobile is 4700% faster.

All in all, in popular games:

  • Without exception, RX 580 Mobile surpassed ATI Mobility HD 3870 in all 48 of our tests.

Pros & cons summary


Performance score 19.64 1.39
Recency 18 April 2017 4 June 2008
Maximum RAM amount 8 GB 512 MB
Chip lithography 14 nm 55 nm
Power consumption (TDP) 100 Watt 55 Watt

RX 580 Mobile has a 1312.9% higher aggregate performance score, an age advantage of 8 years, a 1500% higher maximum VRAM amount, and a 292.9% more advanced lithography process.

ATI Mobility HD 3870, on the other hand, has 81.8% lower power consumption.

The Radeon RX 580 Mobile is our recommended choice as it beats the Mobility Radeon HD 3870 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 RX 580 Mobile
Radeon RX 580 Mobile
ATI Mobility Radeon HD 3870
Mobility Radeon HD 3870

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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4.1 28 votes

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2.3 3 votes

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Questions & comments

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