SYSTEM ANALYZER

Rate My PC: Intel Core i9-12900K + Intel Arc B770

Get a comprehensive performance analysis of your gaming rig with detailed benchmarks, bottleneck detection, and upgrade recommendations

84 / 100
HIGH-END

Power Build

Top 16% of systems. Excellent for 1440p Ultra or 4K High gaming.

1440p Ultra4K High

System Balance Analysis

CPU vs GPU performance ratio
Well Balanced
CPU
93%
VS
GPU
74%
PROCESSOR

Intel Core i9-12900K

42,335 Benchmark Score
Top 7% Market Ranking
View Full Specs →
GRAPHICS CARD

Intel Arc B770

0 Benchmark Score
Top 26% Market Ranking
View Full Specs →

Market Position

How your build compares to others
Budget
0-30
Mid-Range
30-60
High-End
60-85
Enthusiast
85-100
Your Build

Game Performance Benchmarks

Real-world 4K FPS in popular titles
View All Games →

Performance Insights

Tips to maximize your system

Strong Performance

Excellent for 1440p gaming. Most games will run at high/ultra settings smoothly.

Compatible Games See what you can play Compare CPUs Find upgrades Compare GPUs Find upgrades

Performance Tiers Explained

90-100

Ultimate

4K Ultra gaming, VR ready, ray tracing enabled, professional workloads

4K 60+ FPS VR Ready
70-89

High-End

1440p Ultra or 4K High settings, excellent for modern AAA titles

1440p Ultra 4K High
50-69

Mid-Range

1080p Ultra or 1440p Medium, great value for most gamers

1080p Ultra 1440p Med
30-49

Entry Level

1080p Medium settings, suitable for eSports and older titles

1080p Med eSports
0-29

Legacy

Basic gaming, older titles, consider upgrading for modern games

720p-1080p Low Older Games

The pairing of the Intel Core i9-12900K with the Intel Arc B770 creates a desktop configuration that sits at the 69th percentile overall, indicating a solidly above-average system. The data available for this analysis is derived entirely from synthetic benchmark suites and component specifications, as no measured in-game frame rate data exists for this exact combination. Therefore, all discussions of gaming performance are framed as estimates based on the relative strengths of the CPU and GPU scores.

GPU Analysis

The Intel Arc B770 is built on the Xe2-HPG architecture, codenamed Battlemage, and represents the Arc 7 generation. It is manufactured on a 5 nm process at TSMC, with a die size of 368 mm². The GPU is equipped with a substantial 16 GB of GDDR6 memory on a 256-bit bus, yielding a memory bandwidth of 512.0 GB/s. This memory configuration is a significant asset for high-resolution textures and complex 3D scenes, providing the data throughput necessary for modern workloads without bottlenecking the processing units.

Clock speeds are listed with a base frequency of 2100 MHz and a boost clock of 2400 MHz. The memory operates at 2000 MHz, which translates to 16 Gbps effective. The B770 contains 4096 shading units, 256 texture mapping units, and 128 raster operation units. For hardware-accelerated ray tracing, it features 32 dedicated RT cores. This hardware suite allows for theoretical peak rates of 19.66 TFLOPS for FP32 compute and 39.32 TFLOPS for FP16 with a 2:1 ratio. The pixel rate is rated at 307.2 GPixel/s, and the texture rate is 614.4 GTexel/s.

In the context of the provided benchmark data, the Arc B770 holds a percentile rank of 50 among all GPUs. The absence of specific benchmark scores for the GPU in the fact pack means its raw compute capabilities must be interpreted through its architectural specifications and this median percentile ranking. The 512.0 GB/s of bandwidth and 16 GB of VRAM are the standout features, suggesting the card is well-prepared for 1440p and 4K texture loads. The RT cores are present and capable, but without measured data, their real-world performance impact cannot be quantified here. The FP32 throughput of 19.66 TFLOPS indicates a strong rasterization performer for its class, and the 32 RT cores suggest that ray-traced effects are a design priority, though the data does not specify the ray-tracing performance ceiling.

Benchmark Performance

The central processing unit, the Intel Core i9-12900K, provides the compute foundation for this build. Its benchmark results are extensive and form the basis for its 88th percentile ranking among all CPUs. The average benchmark score across all tests for the i9-12900K is 42335. This places it in a tight competitive cluster; it is 0.4% behind the Intel Core i9-12950HX, which scores 42487. Conversely, it leads the AMD Ryzen 5 7400 by 0.7% (42055), the AMD Ryzen 9 PRO 8945HS by 0.9% (41963), and the Intel Core i7-14700T by 1% (41914). This data suggests the i9-12900K is performance-neutral compared to its closest rivals, trading places within a single percentage point.

Delving into the specific CPU scores, the multi-threaded performance is robust. In Cinebench R23, the CPU achieves a multicore score of 26125 and a single-core score of 2004.5. This indicates a significant advantage in multi-threaded workloads. For instance, the multicore score is over 13 times higher than the single-core score, demonstrating excellent scaling across its cores. In Geekbench, the multicore score is 16378, compared to a single-core score of 2193. The 3DMark results show a similar trend: the max threads score is 11620, while the single-thread score is 1073. The Passmark suite reinforces this, with a multithread score of 41213 and a single-thread score of 4136.

When combined, the picture is of a high-end CPU paired with a mid-tier GPU. The CPU’s 88th percentile is substantially higher than the GPU’s 50th percentile. This discrepancy indicates that the system’s overall 69th percentile is constrained by the graphics card. The CPU is capable of feeding the GPU in most scenarios, but the GPU is likely the limiting factor in graphics-intensive tasks. The data shows a powerful compute core that is ready for heavy processing, paired with a graphics solution that is capable but not at the same relative performance level.

Usage Scenarios

High-Refresh Gaming: For competitive gaming at 1080p, this pairing is likely CPU-bound in many titles. The i9-12900K’s strong single-thread performance, evidenced by a Cinebench R23 single-core score of 2004.5, ensures high frame rates are achievable. However, the Arc B770’s 50th percentile ranking suggests it may not consistently deliver the extremely high frame rates needed for 360Hz or 500Hz displays in the most demanding esports titles at maximum settings. At 1440p, the GPU becomes more of a factor, and the balance is more equitable.

Streaming: The i9-12900K has 16 cores and 24 threads, providing ample headroom for encoding video while gaming. The Passmark data compression score of 537341 and data encryption score of 29579 indicate strong performance in tasks that are common during streaming workloads. The CPU can handle the encoding overhead without severely impacting game performance, making this a viable single-PC streaming setup.

Video Editing: This workload benefits from both high single-thread and multi-thread performance. The i9-12900K’s Cinebench R20 multicore score of 14679 and single-core score of 2072 show it can handle timeline scrubbing and export rendering efficiently. The Arc B770’s 16 GB of VRAM is beneficial for GPU-accelerated effects and previewing high-resolution footage. The FP16 performance of 39.32 TFLOPS on the GPU could accelerate certain effects, although the overall export times will be heavily influenced by the CPU’s strong multicore showing.

3D Rendering: In CPU-based rendering, the i9-12900K is the workhorse. Its Cinebench R23 multicore score of 26125 places it in a strong position for tasks like Blender’s Cycles engine or V-Ray. The 30 MB of L3 cache helps with complex scene data. For GPU rendering, the Arc B770’s 19.66 TFLOPS of FP32 performance is adequate, but its 50th percentile ranking suggests it is not a top-tier professional renderer. The 16 GB VRAM is a clear advantage for larger scenes that might exceed the memory capacity of other cards in its class.

Software Development: Compilation tasks are heavily multi-threaded, and the i9-12900K excels here. The Passmark integer math score of 139090 and floating point math score of 105471 indicate strong performance in the types of calculations used in code compilation and testing. The 16 cores and 24 threads allow for parallel builds, significantly reducing compile times. The 88th percentile CPU ranking confirms this is a high-end development machine.

Student and Office Work: This is where the system is overqualified. The i9-12900K’s single-thread performance, with a Passmark single-thread score of 4136, ensures that everyday applications like web browsers and office suites are extremely responsive. The Arc B770 provides more than enough graphical power for standard desktop environments and video conferencing. The combination is far more powerful than needed for these tasks, but it would handle any student or office workload without breaking a sweat.

Who Should Build It

This configuration targets users who prioritize CPU compute performance for productivity but are also interested in gaming and content creation. The target audience includes content creators who work with large video files and complex 3D scenes, benefiting from the i9-12900K’s multi-threaded power and the Arc B770’s 16 GB VRAM. Software developers building large codebases will find the 16-core CPU significantly accelerates compilation times. Students in engineering or computer science fields can run simulations and compile code quickly, though the GPU is likely more than they need.

For gamers, this build is suited for those playing at 1440p or 4K resolution with settings that are not ultra-high in the most demanding titles. The CPU ensures high frame rates in CPU-bound games, while the GPU provides solid performance in GPU-bound titles, as indicated by its 512.0 GB/s bandwidth. Small business workstations that handle data processing, financial modeling, or moderate video editing would find the CPU’s 88th percentile ranking a reliable foundation. This is not a build for someone seeking the absolute highest GPU performance, but rather a balanced system for a power user who does more than just gaming. The user should be someone who values a strong processor for a variety of tasks and is willing to pair it with a mid-range graphics card.

Upgrade Path and Platform

The system is built around the Intel Socket 1700 platform, which supports the Alder Lake architecture. The i9-12900K is a 12th Gen processor, and this socket also supports 13th and 14th Gen Intel Core processors, offering a potential CPU upgrade path without a motherboard change. The memory controller supports both DDR4 and DDR5, giving builders flexibility in choosing memory type, though the dual-channel bus width applies to both. The maximum memory bandwidth is listed as 76.8 GB/s.

The platform provides PCIe Gen 5 connectivity with 16 lanes from the CPU, which is forward-looking for high-speed NVMe SSDs and future expansion cards. The Arc B770 uses a PCIe 4.0 x16 interface, which is fully compatible and does not bottleneck the connection. The integrated graphics on the CPU is the UHD Graphics 770, which can serve as a fallback if the discrete GPU is removed or fails.

The power delivery requirements are a key consideration. The i9-12900K has a TDP of 125 W, while the Arc B770 has a TDP of 225 W. The suggested PSU for the GPU is 550 W, which is the baseline for the entire system. The GPU requires a single 6-pin and a single 8-pin power connector. For a sensible next upgrade, one could consider moving to a newer 13th or 14th Gen CPU on the same socket, though the performance gain might be marginal given the i9-12900K’s already high percentile rank. A more impactful upgrade would be replacing the GPU with a higher-tier model, as the CPU has significant headroom to support a more powerful graphics card.

Gaming Performance

The FACT PACK contains no measured FPS data for this CPU-GPU combination. The `dataIsMeasured` field is false, and the `measuredFpsUltraByGame` object is empty. Therefore, all frame rate expectations are estimates based on the synthetic benchmark scores and component specifications.

Given the CPU’s 88th percentile and the GPU’s 50th percentile, the gaming performance is expected to be heavily influenced by the graphics card in most modern titles. For CPU-bound games, such as fast-paced esports shooters or real-time strategy titles, the i9-12900K’s single-thread performance (Cinebench R23 single-core score of 2004.5) suggests frame rates will be very high, potentially limited by the GPU even at 1080p. For GPU-bound AAA titles at 1440p, the Arc B770’s 16 GB of VRAM and 512.0 GB/s bandwidth should allow for high settings, with the GPU acting as the limiting factor. At 4K, the GPU’s 50th percentile ranking suggests it will struggle to maintain high frame rates at ultra settings, and users may need to adjust settings to achieve playable performance. The 32 RT cores provide some ray-tracing capability, but without measured data, a performance estimate is not possible. The estimates point to a system that is capable of smooth 1080p and good 1440p gaming, but not a top-tier 4K gaming machine.

Balance and Bottleneck

The system exhibits a clear imbalance between CPU and GPU performance. The i9-12900K, with its 88th percentile ranking, is a top-tier processor. The Arc B770, at the 50th percentile, is a mid-range graphics card. This means the GPU is the definitive bottleneck in any graphics-intensive workload, including most modern games and GPU-accelerated rendering.

In gaming, the bottleneck shifts depending on resolution. At 1080p, the CPU’s fast single-core performance can outpace the GPU’s ability to render frames, making the GPU the limiter. At 1440p and 4K, the GPU is even more clearly the limiting factor, as the rendering resolution increases the load on the graphics card. The CPU’s high multi-thread score of 26125 in Cinebench R23 means it will not bottleneck in gameplay, but the GPU will cap the maximum frame rate.

In productivity tasks, the bottleneck is workload-dependent. For multi-threaded CPU tasks like video encoding or 3D rendering, the CPU is the primary processor, and the GPU is not a factor. For tasks that use GPU acceleration, such as certain effects in video editing, the GPU’s 50th percentile performance will be the limiting factor. The CPU’s 16 cores and 24 threads ensure it can handle the most demanding computational loads, but the GPU will hold back the system in tasks that rely on its shader cores or RT cores. The data shows a system where the CPU is the star, and the GPU is the component that will need an upgrade to unlock the full potential of the processor.

FAQ

Q: Is the Intel Core i9-12900K a high-performance processor?

A: Yes. It ranks in the 88th percentile among all CPUs, with an average benchmark score of 42335. It is within 1% of its nearest rivals, including the Intel Core i9-12950HX and AMD Ryzen 5 7400.

Q: How much VRAM does the Intel Arc B770 have?

A: The Intel Arc B770 is equipped with 16 GB of GDDR6 memory, which offers a memory bandwidth of 512.0 GB/s.

Q: What is the performance difference between the CPU and GPU in this build?

A: The CPU is significantly stronger. The i9-12900K is in the 88th percentile of CPUs, while the Arc B770 is in the 50th percentile of GPUs. This indicates the GPU is the system’s performance bottleneck in graphics-heavy tasks.

Q: What is the architecture of the Intel Arc B770?

A: The GPU is based on the Xe2-HPG architecture, also known by its codename Battlemage, and is part of the Arc 7 generation. It is manufactured on a 5 nm process at TSMC.

Q: Does the CPU support DDR5 memory?

A: Yes, the Intel Core i9-12900K supports both DDR4 and DDR5 memory types, with a dual-channel memory bus.

Q: What power supply is recommended for this build?

A: The suggested PSU for the Intel Arc B770 is 550 W. The GPU has a TDP of 225 W and requires a 6-pin and an 8-pin power connector.

Q: What version of DirectX does the GPU support?

A: The Intel Arc B770 supports DirectX 12 Ultimate, specifically version 12_2, as well as OpenGL 4.6 and Vulkan 1.4.

CPU Analysis

The Intel Core i9-12900K is the flagship of the Core 12th Gen series, built on the Alder Lake architecture with a 10 nm process node. It is a desktop processor with 16 cores and 24 threads, designed for high-end workloads. The base clock is 3.20 GHz, which can boost up to 5.20 GHz. This hybrid architecture combines performance and efficiency cores to balance power and speed. The TDP is rated at 125 W, and it has an unlocked multiplier for overclocking.

The cache hierarchy includes 80 KB of L1 per core, 1.25 MB of L2 per core, and a substantial 30 MB of shared L3 cache. This large cache is critical for holding frequently accessed data, reducing latency, and improving performance in complex workloads. The CPU supports ECC memory, which is a feature typically found in workstation-class processors, and it includes integrated graphics in the form of UHD Graphics 770.

The benchmark data paints a clear picture of a multi-threaded powerhouse. The Cinebench R23 multicore score of 26125 is exceptionally high, indicating it can handle heavy rendering, encoding, and compilation tasks with ease. The single-core performance is also strong, with a score of 2004.5, ensuring responsiveness in everyday tasks. The Passmark multithread score of 41213 and integer math score of 139090 further confirm its strength in parallel processing. The 88th percentile ranking among all CPUs places it firmly in the enthusiast tier. The data shows a processor that is excellent for both productivity and gaming, with the multi-threaded performance being its defining characteristic. The 3DMark max threads score of 11620 versus the single-thread score of 1073 highlights a significant scaling capability, meaning it can efficiently utilize its many cores.

Build Overview

This build pairs the Intel Core i9-12900K with the Intel Arc B770 in a desktop configuration. It represents a combination of a top-tier, high-performance CPU from 2021 with a mid-range, current-generation GPU. The overall system percentile is 69, which indicates a solidly above-average machine. The CPU is the dominant component, ranking in the 88th percentile of all CPUs, while the GPU sits at the 50th percentile. This creates a system that excels in CPU-intensive tasks such as video editing, 3D rendering, and software compilation, but is less exceptional in pure graphics performance.

The Arc B770 offers a modern feature set with 16 GB of VRAM and support for DirectX 12 Ultimate, making it a capable card for 1080p and 1440p gaming. However, it is not a top-tier GPU, and its 50th percentile ranking reflects that. The i9-12900K provides a massive amount of computational headroom, ensuring that the system will not be CPU-limited in most scenarios. The platform is mature, with support for both DDR4 and DDR5 memory and PCIe Gen 5, offering some upgrade potential. Overall, this is a well-balanced workstation-class build that prioritizes processing power, with a capable, if not class-leading, graphics component. It is a system for users who need a powerful CPU for work and play, rather than those seeking the absolute maximum in frame rates.