Radeon R6 M340DX vs ATI Mobility HD 3870 X2
Aggregate performance score
We've compared Mobility Radeon HD 3870 X2 with Radeon R6 M340DX, including specs and performance data.
R6 M340DX outperforms ATI Mobility HD 3870 X2 by a significant 28% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 850 | 785 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.40 | no data |
| Architecture | TeraScale (2005−2013) | GCN 1.0 (2011−2020) |
| GPU code name | M88 | Jet |
| Market segment | Laptop | Desktop |
| Release date | 1 September 2008 (16 years ago) | 12 December 2015 (8 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 cores | 320 | 384 |
| Core clock speed | 660 MHz | 955 MHz |
| Boost clock speed | no data | 1030 MHz |
| Number of transistors | 666 million | 690 million |
| Manufacturing process technology | 55 nm | 28 nm |
| Power consumption (TDP) | 110 Watt | no data |
| Texture fill rate | 10.56 | 24.72 |
| Floating-point processing power | 0.4224 TFLOPS | 0.791 TFLOPS |
| ROPs | 16 | 8 |
| TMUs | 16 | 24 |
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 size | large | no data |
| Interface | PCIe 2.0 x16 | IGP |
| Width | no data | IGP |
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 type | GDDR3 | System Shared |
| Maximum RAM amount | 512 MB | System Shared |
| Memory bus width | 256 Bit | System Shared |
| Memory clock speed | 850 MHz | System Shared |
| Memory bandwidth | 54.4 GB/s | no data |
| 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 Connectors | No outputs | No outputs |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 10.1 (10_1) | 12 (11_1) |
| Shader Model | 4.1 | 5.1 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | N/A | 1.2 |
| Vulkan | N/A | 1.2.131 |
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 | 7−8
−28.6%
| 9
+28.6%
|
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 5−6
−20%
|
6−7
+20%
|
Full HD
Medium Preset
| Assassin's Creed Odyssey | 8−9
−12.5%
|
9−10
+12.5%
|
| Battlefield 5 | 2−3
−150%
|
5−6
+150%
|
| Call of Duty: Modern Warfare | 6−7
−16.7%
|
7−8
+16.7%
|
| Cyberpunk 2077 | 5−6
−20%
|
6−7
+20%
|
| Far Cry 5 | 4−5
−25%
|
5−6
+25%
|
| Far Cry New Dawn | 6−7
−33.3%
|
8−9
+33.3%
|
| Forza Horizon 4 | 10−11
−50%
|
14−16
+50%
|
| Hitman 3 | 7−8
−14.3%
|
8−9
+14.3%
|
| Horizon Zero Dawn | 18−20
−15.8%
|
21−24
+15.8%
|
| Metro Exodus | 0−1 | 3−4 |
| Red Dead Redemption 2 | 5−6
−40%
|
7−8
+40%
|
| Shadow of the Tomb Raider | 10−11
−20%
|
12−14
+20%
|
| Watch Dogs: Legion | 35−40
−8.3%
|
35−40
+8.3%
|
Full HD
High Preset
| Assassin's Creed Odyssey | 8−9
−12.5%
|
9−10
+12.5%
|
| Battlefield 5 | 2−3
−150%
|
5−6
+150%
|
| Call of Duty: Modern Warfare | 6−7
−16.7%
|
7−8
+16.7%
|
| Cyberpunk 2077 | 5−6
−20%
|
6−7
+20%
|
| Far Cry 5 | 4−5
−25%
|
5−6
+25%
|
| Far Cry New Dawn | 6−7
−33.3%
|
8−9
+33.3%
|
| Forza Horizon 4 | 10−11
−50%
|
14−16
+50%
|
| Hitman 3 | 7−8
−14.3%
|
8−9
+14.3%
|
| Horizon Zero Dawn | 18−20
−15.8%
|
21−24
+15.8%
|
| Metro Exodus | 0−1 | 3−4 |
| Red Dead Redemption 2 | 5−6
−40%
|
7−8
+40%
|
| Shadow of the Tomb Raider | 10−11
−20%
|
12−14
+20%
|
| The Witcher 3: Wild Hunt | 12−14
−7.7%
|
14−16
+7.7%
|
| Watch Dogs: Legion | 35−40
−8.3%
|
35−40
+8.3%
|
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 8−9
−12.5%
|
9−10
+12.5%
|
| Call of Duty: Modern Warfare | 6−7
−16.7%
|
7−8
+16.7%
|
| Cyberpunk 2077 | 5−6
−20%
|
6−7
+20%
|
| Far Cry 5 | 4−5
−25%
|
5−6
+25%
|
| Forza Horizon 4 | 10−11
−50%
|
14−16
+50%
|
| Hitman 3 | 7−8
−14.3%
|
8−9
+14.3%
|
| Horizon Zero Dawn | 18−20
−15.8%
|
21−24
+15.8%
|
| Shadow of the Tomb Raider | 10−11
−20%
|
12−14
+20%
|
| The Witcher 3: Wild Hunt | 12−14
+333%
|
3
−333%
|
| Watch Dogs: Legion | 35−40
−8.3%
|
35−40
+8.3%
|
Full HD
Epic Preset
| Red Dead Redemption 2 | 5−6
−40%
|
7−8
+40%
|
1440p
High Preset
| Battlefield 5 | 3−4
−66.7%
|
5−6
+66.7%
|
| Far Cry New Dawn | 3−4
−33.3%
|
4−5
+33.3%
|
1440p
Ultra Preset
| Assassin's Creed Odyssey | 2−3
+0%
|
2−3
+0%
|
| Call of Duty: Modern Warfare | 1−2
−100%
|
2−3
+100%
|
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Far Cry 5 | 2−3
−50%
|
3−4
+50%
|
| Hitman 3 | 7−8
−14.3%
|
8−9
+14.3%
|
| Horizon Zero Dawn | 6−7
−16.7%
|
7−8
+16.7%
|
| The Witcher 3: Wild Hunt | 1−2
−100%
|
2−3
+100%
|
| Watch Dogs: Legion | 12−14
−41.7%
|
16−18
+41.7%
|
1440p
Epic Preset
| Red Dead Redemption 2 | 5−6
−20%
|
6−7
+20%
|
4K
High Preset
| Battlefield 5 | 0−1 | 1−2 |
| Far Cry New Dawn | 1−2
−100%
|
2−3
+100%
|
4K
Ultra Preset
| Assassin's Creed Odyssey | 2−3
+0%
|
2−3
+0%
|
| Assassin's Creed Valhalla | 1−2
+0%
|
1−2
+0%
|
| Call of Duty: Modern Warfare | 1−2
+0%
|
1−2
+0%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Watch Dogs: Legion | 0−1 | 1−2 |
4K
Epic Preset
| Red Dead Redemption 2 | 3−4
−33.3%
|
4−5
+33.3%
|
Full HD
Medium Preset
| Assassin's Creed Valhalla | 1−2
+0%
|
1−2
+0%
|
Full HD
High Preset
| Assassin's Creed Valhalla | 1−2
+0%
|
1−2
+0%
|
Full HD
Ultra Preset
| Assassin's Creed Valhalla | 1−2
+0%
|
1−2
+0%
|
4K
Ultra Preset
| Forza Horizon 4 | 0−1 | 0−1 |
This is how ATI Mobility HD 3870 X2 and R6 M340DX compete in popular games:
- R6 M340DX is 29% faster in 1080p
Here's the range of performance differences observed across popular games:
- in The Witcher 3: Wild Hunt, with 1080p resolution and the Ultra Preset, the ATI Mobility HD 3870 X2 is 333% faster.
- in Battlefield 5, with 1080p resolution and the Medium Preset, the R6 M340DX is 150% faster.
All in all, in popular games:
- ATI Mobility HD 3870 X2 is ahead in 1 test (2%)
- R6 M340DX is ahead in 47 tests (82%)
- there's a draw in 9 tests (16%)
Pros & cons summary
| Performance score | 2.22 | 2.85 |
| Recency | 1 September 2008 | 12 December 2015 |
| Chip lithography | 55 nm | 28 nm |
R6 M340DX has a 28.4% higher aggregate performance score, an age advantage of 7 years, and a 96.4% more advanced lithography process.
The Radeon R6 M340DX is our recommended choice as it beats the Mobility Radeon HD 3870 X2 in performance tests.
Be aware that Mobility Radeon HD 3870 X2 is a notebook card while Radeon R6 M340DX is a desktop one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
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