GeForce GT 420 OEM vs GTX 670MX
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 681 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 4.82 | no data |
| Architecture | Kepler (2012−2018) | Fermi (2010−2014) |
| GPU code name | GK104 | GF108 |
| Market segment | Laptop | Desktop |
| Release date | 1 October 2012 (13 years ago) | 3 September 2010 (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. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 960 | 48 |
| Core clock speed | 600 MHz | 700 MHz |
| Number of transistors | 3,540 million | 585 million |
| Manufacturing process technology | 28 nm | 40 nm |
| Power consumption (TDP) | 75 Watt | 50 Watt |
| Texture fill rate | 48.08 | 2.800 |
| Floating-point processing power | 1.154 TFLOPS | 0.1344 TFLOPS |
| ROPs | 24 | 4 |
| TMUs | 80 | 4 |
| L1 Cache | 80 KB | 64 KB |
| L2 Cache | 384 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 | no data |
| Bus support | PCI Express 2.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | no data | 145 mm |
| Width | no data | 1-slot |
| Supplementary power connectors | no data | None |
| SLI options | + | - |
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 | GDDR5 | DDR3 |
| Maximum RAM amount | 3 GB | 1 GB |
| Memory bus width | 192 Bit | 128 Bit |
| Memory clock speed | 1400 MHz | 900 MHz |
| Memory bandwidth | 67.2 GB/s | 28.8 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 | 1x DVI, 1x HDMI, 1x VGA |
| HDMI | + | + |
| HDCP | + | - |
| Maximum VGA resolution | Up to 2048x1536 | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Optimus | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 API | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | 1.1.126 | N/A |
| CUDA | + | 2.1 |
Pros & cons summary
| Recency | 1 October 2012 | 3 September 2010 |
| Maximum RAM amount | 3 GB | 1 GB |
| Chip lithography | 28 nm | 40 nm |
| Power consumption (TDP) | 75 Watt | 50 Watt |
GTX 670MX has an age advantage of 2 years, a 200% higher maximum VRAM amount, and a 42.9% more advanced lithography process.
GT 420 OEM, on the other hand, has 50% lower power consumption.
We couldn't decide between GeForce GTX 670MX and GeForce GT 420 OEM. We've got no test results to judge.
Be aware that GeForce GTX 670MX is a notebook graphics card while GeForce GT 420 OEM is a desktop one.
Other comparisons
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