Radeon HD 8490 OEM vs GeForce GT 420M
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 1062 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.03 | no data |
| Architecture | Fermi (2010−2014) | TeraScale 2 (2009−2015) |
| GPU code name | N11P-GE | Caicos |
| Market segment | Laptop | Desktop |
| Release date | 3 September 2010 (13 years ago) | 23 July 2013 (11 years ago) |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
Detailed specifications
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 | 96 | 160 |
| Core clock speed | 500 MHz | 875 MHz |
| Number of transistors | 585 million | 370 million |
| Manufacturing process technology | 40 nm | 40 nm |
| Power consumption (TDP) | 23 Watt | 35 Watt |
| Texture fill rate | 8.000 | 7.000 |
| Floating-point performance | 192 gflops | 280.0 gflops |
Form factor & compatibility
Information on GeForce GT 420M and Radeon HD 8490 OEM compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). 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 | medium sized | no data |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Length | no data | 168 mm |
| Width | no data | 1-slot |
| Supplementary power connectors | no data | None |
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 | (G)DDR3 | DDR3 |
| Maximum RAM amount | 1 GB | 1 GB |
| Memory bus width | 128 Bit | 64 Bit |
| Memory clock speed | 800 MHz | 1800 MHz |
| Memory bandwidth | 25.6 GB/s | 14.4 GB/s |
| Shared memory | - | no data |
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 | 1x DVI, 1x DisplayPort |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 11.2 (11_0) |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | N/A | N/A |
| CUDA | 2.1 | no data |
Pros & cons summary
| Recency | 3 September 2010 | 23 July 2013 |
| Power consumption (TDP) | 23 Watt | 35 Watt |
GT 420M has 52.2% lower power consumption.
HD 8490 OEM, on the other hand, has an age advantage of 2 years.
We couldn't decide between GeForce GT 420M and Radeon HD 8490 OEM. We've got no test results to judge.
Be aware that GeForce GT 420M is a notebook card while Radeon HD 8490 OEM 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
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
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on pop2.item_type="video" and pop2.item1=2143 and pop2.item2=i._id and pop2.lang="2"
where b.benchmark_id=-1 and i.type="notebook" and i.prof="0" and i._disabled=0
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if(pop.visits,pop.visits,pop2.visits)>=1
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having !isnull(i._id)
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on pop2.item_type="video" and pop2.item1=561 and pop2.item2=i._id and pop2.lang="2"
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and
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if(pop.visits,pop.visits,pop2.visits)>=1
OR
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having !isnull(i._id)
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