Radeon HD 6450A vs ATI Mobility HD 3870
Aggregate performance score
We've compared Mobility Radeon HD 3870 and Radeon HD 6450A, covering specs and all relevant benchmarks.
Mobility HD 3870 outperforms HD 6450A by an impressive 98% 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 | 1107 | 1279 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.74 | 1.93 |
| Architecture | TeraScale (2005−2013) | TeraScale 2 (2009−2015) |
| GPU code name | M88 | Caicos |
| Market segment | Laptop | Laptop |
| Release date | 4 June 2008 (18 years ago) | 7 April 2011 (15 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. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 320 | 160 |
| Core clock speed | 660 MHz | 625 MHz |
| Number of transistors | 666 million | 370 million |
| Manufacturing process technology | 55 nm | 40 nm |
| Power consumption (TDP) | 55 Watt | 25 Watt |
| Texture fill rate | 10.56 | 5.000 |
| Floating-point processing power | 0.4224 TFLOPS | 0.2 TFLOPS |
| ROPs | 16 | 4 |
| TMUs | 16 | 8 |
| L1 Cache | no data | 16 KB |
| L2 Cache | 256 KB | 128 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 | no data |
| Interface | PCIe 2.0 x16 | MXM-A (3.0) |
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 | DDR3 |
| Maximum RAM amount | 512 MB | 512 MB |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 850 MHz | 533 MHz |
| Memory bandwidth | 54.4 GB/s | 8.528 GB/s |
| Shared memory | - | no data |
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) | 11.2 (11_0) |
| Shader Model | 4.1 | 5.0 |
| OpenGL | 3.3 | 4.4 |
| OpenCL | N/A | 1.2 |
| Vulkan | N/A | N/A |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 2−3
+100%
|
1−2 |
Full HD
Medium
| Battlefield 5 | 1−2 | 0−1 |
| Cyberpunk 2077 | 2−3
+100%
|
1−2 |
| Far Cry 5 | 2−3
+100%
|
1−2 |
| Fortnite | 3−4
+200%
|
1−2 |
| Forza Horizon 4 | 7−8
+133%
|
3−4 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+125%
|
4−5 |
| Valorant | 35−40
+119%
|
16−18 |
Full HD
High
| Battlefield 5 | 1−2 | 0−1 |
| Counter-Strike: Global Offensive | 27−30
+107%
|
14−16 |
| Cyberpunk 2077 | 2−3
+100%
|
1−2 |
| Dota 2 | 16−18
+100%
|
8−9 |
| Far Cry 5 | 2−3
+100%
|
1−2 |
| Far Cry 6 | 1−2 | 0−1 |
| Fortnite | 3−4
+200%
|
1−2 |
| Forza Horizon 4 | 7−8
+133%
|
3−4 |
| Metro Exodus | 2−3
+100%
|
1−2 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+125%
|
4−5 |
| The Witcher 3: Wild Hunt | 7−8
+133%
|
3−4 |
| Valorant | 35−40
+119%
|
16−18 |
Full HD
Ultra
| Battlefield 5 | 1−2 | 0−1 |
| Cyberpunk 2077 | 2−3
+100%
|
1−2 |
| Dota 2 | 16−18
+100%
|
8−9 |
| Far Cry 5 | 2−3
+100%
|
1−2 |
| Forza Horizon 4 | 7−8
+133%
|
3−4 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+125%
|
4−5 |
| The Witcher 3: Wild Hunt | 7−8
+133%
|
3−4 |
| Valorant | 35−40
+119%
|
16−18 |
Full HD
Epic
| Fortnite | 3−4
+200%
|
1−2 |
1440p
High
| Counter-Strike 2 | 3−4
+200%
|
1−2 |
| Counter-Strike: Global Offensive | 8−9
+100%
|
4−5 |
| Far Cry 6 | 1−2 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
+117%
|
6−7 |
| Valorant | 8−9
+100%
|
4−5 |
1440p
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 1−2 | 0−1 |
| Forza Horizon 4 | 3−4
+200%
|
1−2 |
| The Witcher 3: Wild Hunt | 2−3
+100%
|
1−2 |
1440p
Epic
| Fortnite | 2−3
+100%
|
1−2 |
4K
High
| Far Cry 6 | 5−6
+150%
|
2−3 |
| Grand Theft Auto V | 14−16
+114%
|
7−8 |
| Valorant | 8−9
+100%
|
4−5 |
4K
Ultra
| Dota 2 | 1−2 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
+100%
|
1−2 |
4K
Epic
| Fortnite | 2−3
+100%
|
1−2 |
Pros & cons summary
| Performance score | 1.23 | 0.62 |
| Recency | 4 June 2008 | 7 April 2011 |
| Chip lithography | 55 nm | 40 nm |
| Power consumption (TDP) | 55 Watt | 25 Watt |
ATI Mobility HD 3870 has a 98% higher aggregate performance score.
HD 6450A, on the other hand, has an age advantage of 2 years, a 27% more advanced lithography process, and 55% lower power consumption.
The Mobility Radeon HD 3870 is our recommended choice as it beats the Radeon HD 6450A in performance tests.
Other comparisons
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