AMD HD 7640G + HD 7610M Dual Graphics vs ATI Mobility HD 3870
Combined performance score
HD 7640G + HD 7610M Dual Graphics outperforms Mobility HD 3870 by 19% in our combined benchmark results.
General info
GPU architecture, market segment, value for money and other general parameters compared.
Place in performance ranking | 975 | 909 |
Place by popularity | not in top-100 | not in top-100 |
Architecture | RV6xx (2007−2010) | Terascale 3 (2010−2013) |
GPU code name | M88-XT | no data |
Market segment | Laptop | Laptop |
Release date | 1 March 2008 (16 years old) | 15 May 2012 (11 years old) |
Current price | no data | $90 |
Technical specs
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
Pipelines / CUDA cores | 320 | 656 |
Core clock speed | 660 MHz | 655 / 450 MHz |
Number of transistors | 666 million | no data |
Manufacturing process technology | 55 nm | 40 nm |
Power consumption (TDP) | 55 Watt | no data |
Texture fill rate | 10.56 | no data |
Floating-point performance | 422.4 gflops | no data |
Size and compatibility
Information on Mobility Radeon HD 3870 and Radeon HD 7640G + HD 7610M Dual Graphics 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 | medium sized |
Interface | PCIe 2.0 x16 | no data |
Memory
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 type | GDDR3 | no data |
Maximum RAM amount | 512 MB | no data |
Memory bus width | 256 Bit | 128 Bit |
Memory clock speed | 850 MHz | 1800 MHz |
Memory bandwidth | 54.4 GB/s | no data |
Shared memory | - | + |
Video outputs and ports
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 Connectors | No outputs | no data |
API support
List of supported graphics and general-purpose computing APIs, including their specific versions.
DirectX | 10.1 (10_1) | 11 |
Shader Model | 4.1 | no data |
OpenGL | 3.3 | no data |
OpenCL | N/A | no data |
Vulkan | N/A | no data |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. 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.
HD 7640G + HD 7610M Dual Graphics outperforms Mobility HD 3870 by 19% in our combined benchmark results.
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%
HD 7640G + HD 7610M Dual Graphics outperforms Mobility HD 3870 by 44% in 3DMark Vantage Performance.
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 HD | 27−30
−25.9%
| 34
+25.9%
|
Performance in popular games
Full HD
Low Preset
Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
Full HD
Medium Preset
Call of Duty: Modern Warfare | 9−10
−11.1%
|
10−11
+11.1%
|
Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
Forza Horizon 4 | 1−2
−100%
|
2−3
+100%
|
Hitman 3 | 1−2
−100%
|
2−3
+100%
|
Horizon Zero Dawn | 1−2
−100%
|
2−3
+100%
|
Red Dead Redemption 2 | 4−5
+0%
|
4−5
+0%
|
Shadow of the Tomb Raider | 7−8
+0%
|
7−8
+0%
|
Full HD
High Preset
Call of Duty: Modern Warfare | 9−10
−11.1%
|
10−11
+11.1%
|
Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
Forza Horizon 4 | 1−2
−100%
|
2−3
+100%
|
Hitman 3 | 1−2
−100%
|
2−3
+100%
|
Horizon Zero Dawn | 1−2
−100%
|
2−3
+100%
|
Metro Exodus | 2−3
+0%
|
2−3
+0%
|
Red Dead Redemption 2 | 4−5
+0%
|
4−5
+0%
|
Shadow of the Tomb Raider | 7−8
+0%
|
7−8
+0%
|
The Witcher 3: Wild Hunt | 4−5
−25%
|
5−6
+25%
|
Full HD
Ultra Preset
Cyberpunk 2077 | 4−5
+0%
|
4−5
+0%
|
Forza Horizon 4 | 1−2
−100%
|
2−3
+100%
|
The Witcher 3: Wild Hunt | 4−5
−25%
|
5−6
+25%
|
1440p
High Preset
Call of Duty: Modern Warfare | 3−4
−33.3%
|
4−5
+33.3%
|
Hitman 3 | 4−5
+0%
|
4−5
+0%
|
Horizon Zero Dawn | 9−10
+0%
|
9−10
+0%
|
Red Dead Redemption 2 | 0−1 | 0−1 |
Shadow of the Tomb Raider | 5−6
+0%
|
5−6
+0%
|
1440p
Ultra Preset
Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
Far Cry 5 | 2−3
−50%
|
3−4
+50%
|
The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
4K
High Preset
Call of Duty: Modern Warfare | 2−3
+0%
|
2−3
+0%
|
Hitman 3 | 1−2
−100%
|
2−3
+100%
|
Horizon Zero Dawn | 8−9
+0%
|
8−9
+0%
|
Red Dead Redemption 2 | 0−1 | 0−1 |
4K
Ultra Preset
Assassin's Creed Odyssey | 0−1 | 0−1 |
Assassin's Creed Valhalla | 0−1 | 0−1 |
Far Cry 5 | 3−4
+0%
|
3−4
+0%
|
Far Cry New Dawn | 5−6
+0%
|
5−6
+0%
|
This is how ATI Mobility HD 3870 and HD 7640G + HD 7610M Dual Graphics compete in popular games:
1080p resolution:
- HD 7640G + HD 7610M Dual Graphics is 25.9% faster than ATI Mobility HD 3870
Here's the range of performance differences observed across popular games:
- in Forza Horizon 4, with 1080p resolution and the Medium Preset, the HD 7640G + HD 7610M Dual Graphics is 100% faster than the ATI Mobility HD 3870.
All in all, in popular games:
- HD 7640G + HD 7610M Dual Graphics is ahead in 14 tests (44%)
- there's a draw in 18 tests (56%)
Advantages and disadvantages
Performance score | 1.34 | 1.60 |
Recency | 1 March 2008 | 15 May 2012 |
Chip lithography | 55 nm | 40 nm |
The Radeon HD 7640G + HD 7610M Dual Graphics 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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