HD Graphics 400 vs GeForce GT 620
Aggregate performance score
We've compared GeForce GT 620 with HD Graphics 400, including specs and performance data.
HD Graphics 400 outperforms GT 620 by a moderate 16% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
Place in the ranking | 1116 | 1078 |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 0.02 | no data |
Power efficiency | 1.36 | 12.91 |
Architecture | Fermi (2010−2014) | Generation 8.0 (2014−2015) |
GPU code name | GF108 | Braswell GT1 |
Market segment | Desktop | Laptop |
Release date | 15 May 2012 (12 years ago) | 1 April 2015 (9 years ago) |
Launch price (MSRP) | $39.99 | no data |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
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 | 96 | 96 |
Core clock speed | 700 MHz | 320 MHz |
Boost clock speed | no data | 600 MHz |
Number of transistors | 585 million | 189 million |
Manufacturing process technology | 40 nm | 14 nm |
Power consumption (TDP) | 49 Watt | 6 Watt |
Maximum GPU temperature | 98 °C | no data |
Texture fill rate | 11.20 | 7.200 |
Floating-point processing power | 0.2688 TFLOPS | 0.1152 TFLOPS |
ROPs | 4 | 2 |
TMUs | 16 | 12 |
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).
Bus support | PCI Express 2.0 | no data |
Interface | PCIe 2.0 x16 | Ring Bus |
Length | 145 mm | no data |
Height | 2.7" (6.9 cm) | no data |
Width | 1-slot | no data |
Supplementary power connectors | None | no data |
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 | DDR3L |
Maximum RAM amount | 1 GB | 8 GB |
Memory bus width | 64 Bit | System Shared |
Memory clock speed | 1.8 GB/s | System Shared |
Memory bandwidth | 14.4 GB/s | no data |
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 | Dual Link DVI-I, HDMI, VGA | Portable Device Dependent |
Multi monitor support | + | no data |
HDMI | + | - |
HDCP | + | - |
Maximum VGA resolution | 2048x1536 | no data |
Audio input for HDMI | Internal | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
3D Blu-Ray | + | - |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
DirectX | 12 (11_0) | 12 (11_1) |
Shader Model | 5.1 | 5.1 |
OpenGL | 4.2 | 4.3 |
OpenCL | 1.1 | 3.0 |
Vulkan | N/A | + |
CUDA | + | - |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
Performance score | 0.97 | 1.13 |
Recency | 15 May 2012 | 1 April 2015 |
Maximum RAM amount | 1 GB | 8 GB |
Chip lithography | 40 nm | 14 nm |
Power consumption (TDP) | 49 Watt | 6 Watt |
HD Graphics 400 has a 16.5% higher aggregate performance score, an age advantage of 2 years, a 700% higher maximum VRAM amount, a 185.7% more advanced lithography process, and 716.7% lower power consumption.
The HD Graphics 400 is our recommended choice as it beats the GeForce GT 620 in performance tests.
Be aware that GeForce GT 620 is a desktop card while HD Graphics 400 is a notebook 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.