HD Graphics 620 vs Radeon HD 4770
Aggregated performance score
HD Graphics 620 outperforms Radeon HD 4770 by 3% based on our aggregated benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 807 | 803 |
| Place by popularity | not in top-100 | 41 |
| Cost-effectiveness evaluation | 0.10 | 0.47 |
| Architecture | TeraScale (2005−2013) | Gen. 9.5 Kaby Lake (2015−2017) |
| GPU code name | RV740 | Kaby-Lake GT2 |
| Market segment | Desktop | Laptop |
| Release date | 28 April 2009 (15 years ago) | 30 August 2016 (7 years ago) |
| Launch price (MSRP) | $109 | no data |
| Current price | $182 (1.7x MSRP) | $353 |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
HD Graphics 620 has 370% better value for money than ATI HD 4770.
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 | 640 | 24 |
| Core clock speed | 750 MHz | 300 MHz |
| Boost clock speed | no data | 1050 MHz |
| Number of transistors | 826 million | 189 million |
| Manufacturing process technology | 40 nm | 14 nm |
| Power consumption (TDP) | 80 Watt | 15 Watt |
| Texture fill rate | 24.00 | 25.20 |
| Floating-point performance | 960.0 gflops | 403.2 gflops |
Form factor & compatibility
Information on Radeon HD 4770 and HD Graphics 620 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.
| Interface | PCIe 2.0 x16 | PCIe 3.0 x1 |
| Length | 203 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin | 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 | GDDR5 | DDR3L/LPDDR3/LPDDR4 |
| Maximum RAM amount | 512 MB | 32 GB |
| Memory bus width | 128 Bit | 64/128 Bit |
| Memory clock speed | 3200 MHz | System Shared |
| Memory bandwidth | 51.2 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 | 2x DVI, 1x S-Video | No outputs |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Quick Sync | no data | + |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 10.1 (10_1) | 12 (12_1) |
| Shader Model | 4.1 | 6.4 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 2.1 |
| Vulkan | N/A | + |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
HD Graphics 620 outperforms Radeon HD 4770 by 3% based on our aggregated benchmark results.
Passmark
This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Benchmark coverage: 25%
HD Graphics 620 outperforms Radeon HD 4770 by 3% in Passmark.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| Full HD | 12−14
−16.7%
| 14
+16.7%
|
Pros & cons summary
| Performance score | 2.35 | 2.42 |
| Recency | 28 April 2009 | 30 August 2016 |
| Maximum RAM amount | 512 MB | 32 GB |
| Chip lithography | 40 nm | 14 nm |
| Power consumption (TDP) | 80 Watt | 15 Watt |
Given the minimal performance differences, no clear winner can be declared between Radeon HD 4770 and HD Graphics 620.
Be aware that Radeon HD 4770 is a desktop card while HD Graphics 620 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.
