Mobility Radeon HD 3870: specs and benchmarks
Aggregate performance score
Mobility Radeon HD 3870 provides poor gaming and benchmark performance at 1.34% of a leader's which is GeForce RTX 4090.
Summary
ATI started Mobility Radeon HD 3870 sales 1 March 2008. This is a RV6xx architecture notebook card based on 55 nm manufacturing process and primarily aimed at office use. 512 MB of GDDR3 memory clocked at 850 GHz are supplied, and together with 256 Bit memory interface this creates a bandwidth of 54.4 GB/s.
Compatibility-wise, this is card attached via PCIe 2.0 x16 interface. Power consumption is at 55 Watt.
Primary details
Some basic facts about Mobility Radeon HD 3870: architecture, market segment, release date etc.
| Place in performance ranking | 976 | |
| Place by popularity | not in top-100 | |
| Architecture | RV6xx (2007−2010) | |
| GPU code name | M88-XT | |
| Market segment | Laptop | |
| Release date | 1 March 2008 (16 years ago) |
Detailed specifications
Mobility Radeon HD 3870's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Mobility Radeon HD 3870's performance, but for precise assessment you have to consider its benchmark and gaming test results.
| Pipelines / CUDA cores | 320 | of 20480 (Data Center GPU Max NEXT) |
| Core clock speed | 660 MHz | of 2610 (Radeon RX 6500 XT) |
| Number of transistors | 666 million | of 14400 (GeForce GTX 1080 SLI Mobile) |
| Manufacturing process technology | 55 nm | of 4 (H100 PCIe) |
| Power consumption (TDP) | 55 Watt | of 2400 (Data Center GPU Max Subsystem) |
| Texture fill rate | 10.56 | of 969.9 (H100 SXM5 96 GB) |
| Floating-point performance | 422.4 gflops | of 16384 (Radeon Pro Duo) |
Form factor & compatibility
Information on Mobility Radeon HD 3870's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Laptop size | large | |
| Interface | PCIe 2.0 x16 |
VRAM capacity and type
Parameters of memory installed on Mobility Radeon HD 3870: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.
| Memory type | GDDR3 | |
| Maximum RAM amount | 512 MB | of 192 (Radeon Instinct MI300X) |
| Memory bus width | 256 Bit | of 8192 (Radeon Instinct MI250X) |
| Memory clock speed | 850 MHz | of 23000 (GeForce RTX 4080 SUPER) |
| Memory bandwidth | 54.4 GB/s | of 3276 (Aldebaran) |
| Shared memory | - |
Connectivity and outputs
Types and number of video connectors present on Mobility Radeon HD 3870. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.
| Display Connectors | No outputs |
API compatibility
APIs supported by Mobility Radeon HD 3870, sometimes including their particular versions.
| DirectX | 10.1 (10_1) | |
| Shader Model | 4.1 | |
| OpenGL | 3.3 | of 4.6 (GeForce GTX 1080 Mobile) |
| OpenCL | N/A | |
| Vulkan | N/A |
Benchmark performance
Synthetic benchmark performance of Mobility Radeon HD 3870. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
3DMark Vantage Performance
3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.
Benchmark coverage: 17%
Send your test results of Mobility Radeon HD 3870.
Gaming performance
Let's see how good Mobility Radeon HD 3870 is for gaming. Particular gaming benchmark results are measured in frames per second. Comparisons with game system requirements are included, but remember that sometimes official requirements may reflect reality inaccurately.
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 4−5 |
Full HD
Medium Preset
| Assassin's Creed Odyssey | 0−1 | |
| Call of Duty: Modern Warfare | 9−10 | |
| Cyberpunk 2077 | 4−5 | |
| Forza Horizon 4 | 1−2 | |
| Hitman 3 | 2−3 | |
| Horizon Zero Dawn | 1−2 | |
| Red Dead Redemption 2 | 4−5 | |
| Shadow of the Tomb Raider | 7−8 |
Full HD
High Preset
| Assassin's Creed Odyssey | 0−1 | |
| Call of Duty: Modern Warfare | 9−10 | |
| Cyberpunk 2077 | 4−5 | |
| Forza Horizon 4 | 1−2 | |
| Hitman 3 | 2−3 | |
| Horizon Zero Dawn | 1−2 | |
| Metro Exodus | 2−3 | |
| Red Dead Redemption 2 | 4−5 | |
| Shadow of the Tomb Raider | 7−8 | |
| The Witcher 3: Wild Hunt | 4−5 |
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 0−1 | |
| Cyberpunk 2077 | 4−5 | |
| Forza Horizon 4 | 1−2 | |
| The Witcher 3: Wild Hunt | 4−5 |
1440p
High Preset
| Call of Duty: Modern Warfare | 3−4 | |
| Hitman 3 | 4−5 | |
| Horizon Zero Dawn | 8−9 | |
| Red Dead Redemption 2 | 0−1 | |
| Shadow of the Tomb Raider | 5−6 |
1440p
Ultra Preset
| Cyberpunk 2077 | 1−2 | |
| Far Cry 5 | 2−3 | |
| The Witcher 3: Wild Hunt | 1−2 |
4K
High Preset
| Call of Duty: Modern Warfare | 2−3 | |
| Hitman 3 | 1−2 | |
| Horizon Zero Dawn | 7−8 | |
| Red Dead Redemption 2 | 0−1 |
4K
Ultra Preset
| Assassin's Creed Odyssey | 0−1 | |
| Assassin's Creed Valhalla | 0−1 | |
| Far Cry 5 | 3−4 | |
| Far Cry New Dawn | 5−6 |
NVIDIA equivalent
According to our data, the closest NVIDIA alternative to Mobility Radeon HD 3870 is GeForce GT 435M, which is faster by 1% and higher by 10 positions in our ranking.
Here are some closest NVIDIA rivals to Mobility Radeon HD 3870:
Similar GPUs
Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.
Recommended processors
These processors are most commonly used with Mobility Radeon HD 3870 according to our statistics.
