Intel UHD Graphics 770

Intel UHD Graphics 770 is an integrated graphics processor built on Intel’s Generation 12.2 architecture, part of the Alder Lake chip family, and fabricated on a 10 nm process. It was released on November 3, 2021, and is now designated as end-of-life. The integrated GPU carries 256 shading units, 16 texture mapping units, and 8 raster operation pipelines, with a base clock of 300 MHz and a boost clock of 1450 MHz. Its compute throughput is rated at 742.4 GFLOPS for FP32 and 1,484.8 GFLOPS for FP16 (at a 2:1 ratio). The data places this part in the 12th percentile of all GPUs, with an average benchmark score of 2150, indicating that it is positioned at the very entry level of graphics performance.

Memory Subsystem

The memory configuration for Intel UHD Graphics 770 is entirely system-shared. The VRAM size, memory type, and bus width are all listed as "System Shared," which means the iGPU dynamically borrows from the host system’s main memory rather than having dedicated video memory. Consequently, the memory bandwidth is described as "System Dependent," varying with the speed and channel configuration of the installed system RAM. This design has direct implications for high-resolution gaming and compute tasks. Because the iGPU competes with the CPU for the same memory bus, heavy memory traffic can create bottlenecks, particularly when operating at elevated resolutions where frame buffers grow larger and bandwidth demands increase. The practical effect is that at 1080p, the UHD 770 may deliver playable frame rates in less demanding titles, but at 1440p or higher, the available bandwidth becomes a limiting factor, often causing performance to degrade more steeply than a discrete GPU with dedicated VRAM would experience. The lack of a dedicated bus width means that any performance analysis must account for the host platform’s memory configuration; a dual-channel high-speed memory setup will yield better iGPU results than a single-channel low-speed one, though the exact scaling is not quantified in the data.

Ray Tracing and Feature Set

The benchmark database lists no ray tracing cores and no tensor cores for Intel UHD Graphics 770. This absence is decisive: the hardware does not include dedicated accelerators for ray-traced workloads or AI-based tensor operations. In terms of API support, the iGPU exposes DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4. The DirectX 12_1 feature level indicates support for the core DirectX 12 feature set, but without the higher-tier features associated with dedicated ray tracing hardware. Vulkan 1.4 support allows modern cross-platform graphics and compute workloads to run, though performance will be limited by the underlying shader count and lack of RT acceleration. The pixel rate is 11.60 GPixel/s and the texture rate is 23.20 GTexel/s, which are modest figures reflecting the small 8 ROP and 16 TMU counts. For any workload that relies on ray tracing, the data suggests that software-based fallbacks would be required, and the expected performance would be far below what dedicated RT cores deliver. The feature set is therefore best described as conventional rasterization-focused, with broad API compatibility for older and lighter modern titles, but no hardware support for the latest graphics effects like ray-traced reflections or DLSS-style tensor acceleration.

Benchmark Performance

Benchmark results place Intel UHD Graphics 770 in a narrow performance band, with an average score of 2150 across all tests. Its nearest rival, the NVIDIA GeForce GT 620M, also scores 2150, resulting in a deltaPct of 0, a perfect tie. The data shows the UHD 770 is 0.4% ahead of the Intel HD Graphics 4400 (which scores 2142) and 0.6% ahead of the NVIDIA NVS 5200M (score 2138). Conversely, it trails the NVIDIA NVS 5400M by 0.6%, as that part scores 2163. These delta values are minuscule, effectively placing all four GPUs within a statistical dead heat. In compute-oriented benchmarks, the UHD 770 achieves 7602 in Geekbench OpenCL and 8389 in Geekbench Vulkan, indicating that its compute performance is relatively stronger than its graphics throughput. However, the Passmark scores tell a more granular story: DirectX 9 yields a score of 24, DirectX 10 drops to 12, DirectX 11 falls to 11, and DirectX 12 bottoms out at 9. This decline across API generations suggests that the iGPU struggles with increasingly complex shading workloads, with modern APIs exposing its limited shader and ROP resources. The Passmark G3D score is 1903, while G2D (2D graphics) is 540, and GPU compute is 861. The percentile rank of 12 indicates that the UHD 770 outperforms only about 12% of all GPUs in the database, confirming its position as a lowest-tier solution. When comparing to the rival group, the performance deltas are so small (all under 1%) that any real-world difference between the UHD 770 and those discrete mobile GPUs would be imperceptible in most applications. The data does not support claims of a meaningful advantage over any of its nearest rivals; it is functionally equivalent to them in average performance.

Who Should Consider It

Given the benchmark data, Intel UHD Graphics 770 is suitable only for users with minimal graphics demands. The 12th percentile ranking and the Passmark DirectX 12 score of 9 indicate that modern 3D games at standard settings will be largely unplayable. However, the DirectX 9 score of 24 is the highest among the API tests, suggesting that older games from that era, or lightweight 2D titles, may run acceptably. At 1080p resolution, users can expect playable frame rates in esports titles from a decade ago or in games with very low graphical settings, but the system-shared memory and lack of dedicated VRAM will limit texture quality and resolution scaling. For 1440p or 4K, the data strongly suggests that performance will be insufficient for any 3D workload, as the bandwidth is system-dependent and the raw pixel rate of 11.60 GPixel/s is far too low to fill high-resolution frames. The iGPU is better suited for office productivity, web browsing, video playback, and light 2D applications, where the G2D score of 540 is adequate. Users who plan to do any gaming beyond casual or retro titles should consider a discrete GPU, as the UHD 770’s nearest rivals are all similarly low-performing, with none exceeding 2163 in average score. The data does not support recommending this part for content creation, 3D rendering, or any compute-intensive task, as the FP32 throughput of 742.4 GFLOPS is minimal by modern standards.

FAQ

Q: Does the Intel UHD Graphics 770 support hardware ray tracing?

A: No. The benchmark database lists no ray tracing cores and no tensor cores for this GPU, so ray-traced workloads are not hardware-accelerated.

Q: How much VRAM does the Intel UHD Graphics 770 have?

A: The VRAM size is listed as "System Shared," meaning it uses the host system’s main memory rather than having a dedicated amount of video memory.

Q: What is the performance difference between the UHD 770 and the NVIDIA GT 620M?

A: Their average benchmark scores are identical at 2150, resulting in a deltaPct of 0, indicating no measurable performance difference in the aggregate data.

Q: Which API versions are supported?

A: The GPU supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4, according to the benchmark database.

Q: Is the UHD 770 suitable for modern 3D gaming at 1080p?

A: The Passmark DirectX 12 score is 9, which is very low, indicating that modern 3D games will not perform well; the DirectX 9 score of 24 is higher, suggesting only older titles may be playable.

Q: What is the memory bandwidth of this GPU?

A: The memory bandwidth is listed as "System Dependent," meaning it varies based on the system’s main memory configuration, not a fixed specification.

Power and Cooling

The thermal design power (TDP) for Intel UHD Graphics 770 is 15 W, which is exceptionally low, reflecting its integrated nature. The slot width is listed as "IGP," meaning it is an integrated graphics processor that occupies no expansion slot, and it has no dedicated power connectors. Because it draws power from the motherboard’s system power delivery rather than a separate PSU connection, there is no suggested PSU rating provided in the data. The display outputs are noted as "Motherboard Dependent," so the actual ports available depend entirely on the specific motherboard design. The low 15 W TDP means that no additional cooling solution is required beyond what the host system already provides; a standard CPU cooler with integrated graphics or a basic chassis airflow setup will suffice. The lack of power connectors also eliminates any need for PSU cable management for this component. For system builders, the practical implication is that the UHD 770 imposes no additional power supply requirements, and the thermal load is negligible compared to discrete GPUs. The bus interface is "Ring Bus," which ties the iGPU into the CPU’s internal fabric rather than a PCIe slot, further simplifying installation. The 15 W figure is the only power-related number in the data, and it underscores that this is a component designed for efficiency and basic functionality, not performance. Users upgrading from this iGPU to a discrete graphics card will need to account for the additional power and cooling requirements of the new card, but those are outside the scope of this component’s data.