Radeon R6 M340DX vs ATI Mobility HD 3870 X2
Aggregate performance score
We've compared Mobility Radeon HD 3870 X2 and Radeon R6 M340DX, covering specs and all relevant benchmarks.
R6 M340DX outperforms Mobility HD 3870 X2 by a significant 27% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 923 | 855 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.47 | no data |
| Architecture | TeraScale (2005−2013) | GCN 1.0 (2012−2020) |
| GPU code name | M88 | Jet |
| Market segment | Laptop | Laptop |
| Release date | 1 September 2008 (17 years ago) | 12 December 2015 (10 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 ×2 | 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 ×2 | 24.72 |
| Floating-point processing power | 0.4224 TFLOPS ×2 | 0.791 TFLOPS |
| ROPs | 16 ×2 | 8 |
| TMUs | 16 ×2 | 24 |
| L1 Cache | no data | 96 KB |
| L2 Cache | 256 KB | 256 KB |
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 | medium sized |
| Interface | PCIe 2.0 x16 | 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 ×2 | System Shared |
| Memory bus width | 256 Bit ×2 | System Shared |
| Memory clock speed | 850 MHz | System Shared |
| Memory bandwidth | 54.4 GB/s ×2 | no data |
| Shared memory | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | No outputs | No outputs |
API and SDK support
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
−42.9%
| 10
+42.9%
|
FPS performance in popular games
Full HD
Low
| Counter-Strike 2 | 4−5
−100%
|
8−9
+100%
|
| Cyberpunk 2077 | 4−5
−50%
|
6−7
+50%
|
| Hogwarts Legacy | 7−8
+0%
|
7−8
+0%
|
Full HD
Medium
| Battlefield 5 | 6−7
−50%
|
9−10
+50%
|
| Counter-Strike 2 | 4−5
−100%
|
8−9
+100%
|
| Cyberpunk 2077 | 4−5
−50%
|
6−7
+50%
|
| Far Cry 5 | 5−6
−40%
|
7−8
+40%
|
| Fortnite | 10−11
−40%
|
14−16
+40%
|
| Forza Horizon 4 | 10−12
−27.3%
|
14−16
+27.3%
|
| Forza Horizon 5 | 4−5
−50%
|
6−7
+50%
|
| Hogwarts Legacy | 7−8
+0%
|
7−8
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−12
−18.2%
|
12−14
+18.2%
|
| Valorant | 40−45
−10%
|
40−45
+10%
|
Full HD
High
| Battlefield 5 | 6−7
−50%
|
9−10
+50%
|
| Counter-Strike 2 | 4−5
−100%
|
8−9
+100%
|
| Counter-Strike: Global Offensive | 40−45
−18.6%
|
50−55
+18.6%
|
| Cyberpunk 2077 | 4−5
−50%
|
6−7
+50%
|
| Dota 2 | 21−24
−17.4%
|
27−30
+17.4%
|
| Far Cry 5 | 5−6
−40%
|
7−8
+40%
|
| Fortnite | 10−11
−40%
|
14−16
+40%
|
| Forza Horizon 4 | 10−12
−27.3%
|
14−16
+27.3%
|
| Forza Horizon 5 | 4−5
−50%
|
6−7
+50%
|
| Grand Theft Auto V | 4−5
−50%
|
6−7
+50%
|
| Hogwarts Legacy | 7−8
+0%
|
7−8
+0%
|
| Metro Exodus | 3−4
−66.7%
|
5−6
+66.7%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−12
−18.2%
|
12−14
+18.2%
|
| The Witcher 3: Wild Hunt | 8−9
+33.3%
|
6
−33.3%
|
| Valorant | 40−45
−10%
|
40−45
+10%
|
Full HD
Ultra
| Battlefield 5 | 6−7
−50%
|
9−10
+50%
|
| Cyberpunk 2077 | 4−5
−50%
|
6−7
+50%
|
| Dota 2 | 21−24
−17.4%
|
27−30
+17.4%
|
| Far Cry 5 | 5−6
−40%
|
7−8
+40%
|
| Forza Horizon 4 | 10−12
−27.3%
|
14−16
+27.3%
|
| Hogwarts Legacy | 7−8
+0%
|
7−8
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−12
−18.2%
|
12−14
+18.2%
|
| The Witcher 3: Wild Hunt | 8−9
+167%
|
3
−167%
|
| Valorant | 40−45
−10%
|
40−45
+10%
|
Full HD
Epic
| Fortnite | 10−11
−40%
|
14−16
+40%
|
1440p
High
| Counter-Strike 2 | 5−6
−20%
|
6−7
+20%
|
| Counter-Strike: Global Offensive | 14−16
−33.3%
|
20−22
+33.3%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 21−24
−19%
|
24−27
+19%
|
| Valorant | 16−18
−50%
|
24−27
+50%
|
1440p
Ultra
| Cyberpunk 2077 | 1−2
−100%
|
2−3
+100%
|
| Far Cry 5 | 3−4
−33.3%
|
4−5
+33.3%
|
| Forza Horizon 4 | 5−6
−40%
|
7−8
+40%
|
| Hogwarts Legacy | 2−3
−50%
|
3−4
+50%
|
| The Witcher 3: Wild Hunt | 3−4
−33.3%
|
4−5
+33.3%
|
1440p
Epic
| Fortnite | 4−5
−25%
|
5−6
+25%
|
4K
High
| Grand Theft Auto V | 14−16
+0%
|
14−16
+0%
|
| Valorant | 10−11
−30%
|
12−14
+30%
|
4K
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Dota 2 | 5−6
−40%
|
7−8
+40%
|
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 1−2
−100%
|
2−3
+100%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 3−4
+0%
|
3−4
+0%
|
4K
Epic
| Fortnite | 3−4
+0%
|
3−4
+0%
|
1440p
High
| Metro Exodus | 0−1 | 0−1 |
This is how ATI Mobility HD 3870 X2 and R6 M340DX compete in popular games:
- R6 M340DX is 43% 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 167% faster.
- in Counter-Strike 2, with 1080p resolution and the Low Preset, the R6 M340DX is 100% faster.
All in all, in popular games:
- ATI Mobility HD 3870 X2 performs better in 2 tests (4%)
- R6 M340DX performs better in 45 tests (82%)
- there's a draw in 8 tests (15%)
Pros & cons summary
| Performance score | 2.10 | 2.66 |
| Recency | 1 September 2008 | 12 December 2015 |
| Chip lithography | 55 nm | 28 nm |
R6 M340DX has a 26.7% 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.
Other comparisons
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