Quadro4 750 XGL vs Quadro K620M
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 770 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Maxwell (2014−2018) | Kelvin (2001−2003) |
| GPU code name | GM108 | NV25 A2 |
| Market segment | Mobile workstation | Workstation |
| Release date | 1 March 2015 (9 years ago) | 19 February 2002 (22 years ago) |
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 | 384 | no data |
| Core clock speed | 1029 MHz | 275 MHz |
| Boost clock speed | 1124 MHz | no data |
| Number of transistors | no data | 63 million |
| Manufacturing process technology | 28 nm | 150 nm |
| Power consumption (TDP) | 30 Watt | no data |
| Texture fill rate | 17.98 | 2.200 |
| Floating-point performance | 0.8632 gflops | no data |
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).
| Interface | MXM-A (3.0) | AGP 4x |
| Width | no data | 1-slot |
| Supplementary power connectors | None | 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 | DDR3 | DDR |
| Maximum RAM amount | 2 GB | 128 MB |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 2000 MHz | 450 MHz |
| Memory bandwidth | 14.4 GB/s | 7.2 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 | 2x DVI, 1x S-Video |
| Display Port | 1.2 | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Optimus | + | - |
| nView Display Management | + | no data |
| Optimus | + | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 | 8.1 |
| Shader Model | 5.1 | no data |
| OpenGL | 4.5 | 1.3 |
| OpenCL | 1.2 | N/A |
| Vulkan | 1.1.126 | N/A |
| CUDA | + | - |
Pros & cons summary
| Recency | 1 March 2015 | 19 February 2002 |
| Maximum RAM amount | 2 GB | 128 MB |
| Chip lithography | 28 nm | 150 nm |
Quadro K620M has an age advantage of 13 years, a 1500% higher maximum VRAM amount, and a 435.7% more advanced lithography process.
We couldn't decide between Quadro K620M and Quadro4 750 XGL. We've got no test results to judge.
Be aware that Quadro K620M is a mobile workstation card while Quadro4 750 XGL is a workstation 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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