SYSTEM ANALYZER

Rate My PC: Intel Core i9-12900KS + NVIDIA GeForce RTX 5090 D

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Build Configuration

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PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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96 Score

Top 4% Ranking

96 / 100

ULTIMATE READY

Apex Performer

Top 4% of systems. Capable of 4K Ultra gaming and advanced rendering.

4K 60+ FPSVR ReadyRay Tracing

System Balance Analysis

CPU vs GPU performance ratio

Well Balanced

CPU

93%

GPU

98%

PROCESSOR

Intel Core i9-12900KS

45,094 Benchmark Score

Top 7% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 5090 D

77,712 Benchmark Score

Top 2% Market Ranking

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Market Position

How your build compares to others

Budget

0-30

Mid-Range

30-60

High-End

60-85

Enthusiast

85-100

Your Build

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Real-world 4K FPS in popular titles

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Performance Insights

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Optimal Performance

Your system is in the top tier. You can run any modern game at maximum settings.

4K Gaming Ready

Consider a 4K 144Hz monitor to fully utilize your hardware capabilities.

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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

# Intel Core i9-12900KS + NVIDIA GeForce RTX 5090 D

This pairing combines Intel's 12th Gen flagship Alder Lake-S CPU with NVIDIA's current-generation Blackwell 2.0 GPU, creating a desktop build that targets the top of the performance stack. The Core i9-12900KS brings 16 cores and 24 threads with a 5.50 GHz boost clock, while the RTX 5090 D delivers 32 GB of GDDR7 memory on a 512-bit bus with 1.79 TB/s of bandwidth. The combined benchmark picture places this configuration at the 91st percentile overall, though no measured frame-rate data exists for this exact combination — all gaming performance figures in this analysis are estimates derived from the individual component benchmark scores.

Upgrade Path and Platform

The platform anchors on Intel Socket 1700, which supports both DDR4 and DDR5 memory through a dual-channel memory bus. The CPU's memory bandwidth is rated at 76.8 GB/s, and ECC memory is supported, giving this build flexibility for workstation use where data integrity matters. PCIe Gen 5 with 16 lanes from the CPU provides a high-bandwidth connection for the GPU, which uses a PCIe 5.0 x16 interface. This means the RTX 5090 D is not bottlenecked by the interconnect — the CPU's 16 lanes match the GPU's full bandwidth requirement.

The power delivery picture is substantial. The CPU has a TDP of 150 W, while the GPU's TDP is 575 W. The suggested PSU for the GPU alone is 950 W, so a builder pairing these components should plan for a power supply that comfortably exceeds that figure. The GPU uses a single 16-pin power connector, and the card is dual-slot with dimensions of 304 mm in length, 137 mm in height, and 48 mm in width — a large card that requires a roomy case with good airflow.

For future upgrades, the CPU's unlocked multiplier means overclocking headroom is available, and the socket supports the same generation of Alder Lake-S parts. However, the RTX 5090 D is already a top-tier GPU, so the most sensible next step would be a CPU upgrade to a newer platform with more PCIe lanes or faster memory support. The current CPU's 30 MB of shared L3 cache and 1.25 MB L2 per core are solid for gaming, but a platform with DDR5-optimized memory controllers could yield further gains in memory-sensitive workloads.

Gaming Performance

No measured FPS data exists for this exact CPU-GPU combination, so all gaming expectations below are estimates based on the benchmark scores of each component. The CPU's single-thread performance is strong — a 3DMark single-thread score of 1121 and a Geekbench single-core score of 2408 indicate excellent responsiveness in game logic and physics threads. The GPU's 3DMark Steel Nomad DX12 score of 14326 places it well above typical mid-range cards, suggesting very high frame rates at 1080p and 1440p, with solid 4K performance.

At 1080p and 1440p, the CPU's high boost clock and strong single-core scores should avoid bottlenecking the GPU in most titles. The 3DMark 2-thread score of 2212 and 4-thread score of 4320 show robust scaling for lightly-threaded games, which often rely on two to four cores. At 4K, the GPU becomes the dominant factor, and the RTX 5090 D's 32 GB of VRAM and 1.79 TB/s bandwidth provide ample headroom for high-resolution textures and ray tracing.

For esports titles that favor high refresh rates, the CPU's 16 cores and 24 threads ensure that even background tasks like streaming software won't starve the game of processing resources. The PassMark single-thread score of 4330 and the Cinebench R23 single-core score of 5203 both point to strong per-core performance, which is critical for frame pacing in competitive shooters. The GPU's PassMark G3D score of 44065 further supports the expectation of high, stable frame rates across a wide range of titles, though exact numbers depend on the game's engine and optimization.

CPU Analysis

The Intel Core i9-12900KS is a 16-core, 24-thread processor built on Intel's 10 nm Alder Lake architecture. It combines performance cores with efficiency cores — the hybrid design allows the OS to schedule workloads appropriately, boosting heavy threads onto the high-frequency cores and handling background tasks on the efficiency cores. The base clock is 3.40 GHz, and the boost clock reaches 5.50 GHz, which is among the highest for desktop CPUs of its generation.

The cache hierarchy is substantial: 80 KB of L1 per core, 1.25 MB of L2 per core, and 30 MB of shared L3. This large L3 cache helps with gaming and productivity workloads that benefit from shared data access across cores. The memory controller supports both DDR4 and DDR5, which is unusual and gives builders the option to reuse existing DDR4 memory or invest in newer DDR5 kits. ECC memory support is an advantage for workstation tasks where memory errors could corrupt data.

Benchmark results show strong multi-threaded performance. The Cinebench R23 multicore score of 36859 and Geekbench multicore score of 18538 indicate that this CPU handles heavy parallel workloads well. The PassMark multithread score of 43698 and the 3DMark max threads score of 11897 reinforce this picture. For content creation, the PassMark integer math score of 147575 and floating point math score of 111429 show balanced arithmetic capability, while the data compression score of 563709 and encryption score of 31403 suggest solid performance in data-intensive tasks.

The CPU's 89th percentile ranking among all CPUs places it above most desktop processors but not at the very top. Its nearest rivals include the AMD EPYC 4344P (avg score 45122, 0.1% higher), the Intel Core i5-14600 (avg score 44889, 0.5% lower), and the AMD Ryzen 5 7500X3D (avg score 44573, 1.2% lower). Interestingly, the 12900KS sits slightly below the EPYC 4344P in average benchmark score, but it beats the more recent Core i5-14600 and Ryzen 5 7500X3D by small margins. This suggests that the 12900KS remains competitive in raw compute despite being an older-generation part.

Balance and Bottleneck

The CPU's average benchmark score is 45094, while the GPU's average benchmark score is 77712. This disparity indicates that the GPU is the stronger component in terms of raw compute throughput, but the CPU is not a weak link — it ranks in the 89th percentile among all CPUs, while the GPU ranks in the 92nd percentile among all GPUs. The combined percentile of 91 for the build suggests a well-matched pair, though the GPU's higher score means it will be the primary driver of performance in most workloads.

In gaming, the bottleneck shifts depending on resolution. At lower resolutions, the CPU's single-thread performance (3DMark single-thread score of 1121, PassMark single-thread score of 4330) is sufficient to feed the GPU, but the GPU's massive compute power may exceed what the CPU can deliver in frame generation. The 3DMark 8-thread score of 7872 shows that the CPU can handle eight threads well, which covers most modern game engines. At 4K, the GPU's pixel rate of 423.6 GPixel/s and texture rate of 1,636.8 GTexel/s become the limiting factor, and the CPU has more than enough headroom.

For productivity, the balance is more even. The CPU's 16 cores handle multi-threaded rendering and compilation well, while the GPU's 104.8 TFLOPS of FP32 performance accelerates compute-heavy tasks like 3D rendering and simulation. The GPU's PassMark GPU compute score of 28396 indicates strong general-purpose compute capability, but the CPU's PassMark multithread score of 43698 shows that the processor still carries a significant portion of the workload in tasks that don't parallelize well on GPU hardware.

Benchmark Performance

The CPU's benchmark suite shows consistent strength across test types. The 3DMark scores scale from 1121 (single-thread) to 11897 (max threads), with intermediate scores of 2212 (2-thread), 4320 (4-thread), and 7872 (8-thread). This scaling pattern indicates good core utilization — doubling threads from 4 to 8 nearly doubles the score, and going from 8 to max threads adds about 51% more performance. Cinebench scores follow a similar pattern: R15 multicore at 3715, R20 multicore at 15480, and R23 multicore at 36859, with single-core scores of 524, 2185, and 5203 respectively.

The GPU's benchmark results are dominated by its compute capabilities. The 3DMark Steel Nomad DX12 score of 14326 is a strong indication of gaming performance, while the Geekbench OpenCL score of 310674 and Vulkan score of 376915 show excellent raw compute throughput. The PassMark G3D score of 44065 and GPU compute score of 28396 round out the picture. The GPU's percentile rank of 92 places it above most GPUs, with nearest rivals including the AMD Radeon RX 6650M XT (avg score 76904, 1.1% higher), the AMD Radeon RX 6850M XT (avg score 78940, 1.6% lower), and the NVIDIA Tesla P100 PCIe 12 GB (avg score 79396, 2.1% lower).

The combined picture is one of a high-performance desktop build. The CPU's average benchmark score of 45094 and the GPU's average of 77712 create a system that ranks in the 91st percentile overall. This means the build outperforms the vast majority of desktop configurations, though it's not the absolute fastest possible combination. The small deltaPct values between the CPU and its rivals (ranging from -0.1% to 1.4%) indicate that the 12900KS is closely matched with several newer or more specialized CPUs, so the choice of CPU is not the limiting factor in this build's overall performance.

Who Should Build It

This combination targets users who need both high-end gaming and serious compute capability. For gamers at 4K resolution, the GPU's 32 GB of VRAM and 1.79 TB/s bandwidth ensure that even the most demanding textures and ray-tracing effects load without stutter. The CPU's strong single-thread performance supports high-refresh-rate gaming at 1080p and 1440p, where frame times matter most. Content creators working with video editing, 3D rendering, or simulation will benefit from the CPU's 16 cores and the GPU's 104.8 TFLOPS of FP32 compute.

Software developers compiling large codebases will appreciate the CPU's multi-threaded performance (Cinebench R23 multicore of 36859) and the GPU's compute capability for parallel tasks like machine learning inference. Students and small business users building a workstation for general productivity will find the CPU's PassMark scores (multithread 43698, single-thread 4330) more than adequate for office applications, spreadsheets, and data analysis. The ECC memory support adds reliability for long-running compute jobs where memory errors could be costly.

The production status is "Active" for both components, meaning they are currently available. The CPU launched in April 2022 with a launch MSRP of $739, and the GPU launched in January 2025 with a launch MSRP of 2,299 USD. Users who need maximum performance for both gaming and professional workloads and have the case space for a 304 mm dual-slot GPU should consider this build.

GPU Analysis

The NVIDIA GeForce RTX 5090 D is built on the Blackwell 2.0 architecture using TSMC's 5 nm process. The chip, codenamed GB202, contains 92,200 million transistors on a 750 mm² die, giving it a transistor density of 122.9 million per square millimeter. This massive chip houses 21,760 shading units, 680 texture mapping units, and 176 ROPs. The GPU also includes 170 ray tracing cores and 680 tensor cores, which accelerate ray-traced lighting and AI-based features like DLSS.

Memory configuration is a key strength. The 32 GB of GDDR7 memory runs at 1750 MHz (28 Gbps effective) across a 512-bit bus, producing 1.79 TB/s of bandwidth. This is more than enough for 4K gaming with high-resolution texture packs, and it provides headroom for professional workloads like 3D rendering and video editing that require large frame buffers. The base clock is 2017 MHz with a boost clock of 2407 MHz, and the pixel rate of 423.6 GPixel/s combined with a texture rate of 1,636.8 GTexel/s ensures the GPU can fill frames quickly.

Compute performance is exceptional. The FP32 throughput of 104.8 TFLOPS (with FP16 at the same rate, 1:1) makes this GPU suitable for scientific computing, AI training, and other GPGPU workloads. The PassMark GPU compute score of 28396 and Geekbench OpenCL score of 310674 both reflect this capability. The GPU's 92nd percentile ranking among all GPUs places it ahead of most consumer and professional cards, though its nearest rivals include mobile GPUs (RX 6650M XT, RX 6850M XT) and older datacenter parts (Tesla P100), which suggests the 5090 D's raw compute is competitive with but not dominant over specialized hardware.

FAQ

Q: What is the CPU's core count and thread count?

A: The Intel Core i9-12900KS has 16 cores and 24 threads, with a base clock of 3.40 GHz and a boost clock of 5.50 GHz.

Q: How much VRAM does the RTX 5090 D have and what type is it?

A: The GPU has 32 GB of GDDR7 memory on a 512-bit bus, with a bandwidth of 1.79 TB/s.

Q: What memory types does the CPU support?

A: The CPU supports both DDR4 and DDR5 memory in a dual-channel configuration, with a memory bandwidth of 76.8 GB/s. ECC memory is also supported.

Q: What is the GPU's power requirement?

A: The GPU has a TDP of 575 W and a suggested PSU rating of 950 W. It uses a single 16-pin power connector.

Q: How does the CPU compare to its nearest rivals?

A: The CPU's average benchmark score is 45094. It is 0.1% lower than the AMD EPYC 4344P (45122), 0.5% higher than the Intel Core i5-14600 (44889), and 1.2% higher than the AMD Ryzen 5 7500X3D (44573).

Q: What is the GPU's benchmark performance?

A: The GPU scores 14326 in 3DMark Steel Nomad DX12, 310674 in Geekbench OpenCL, and 44065 in PassMark G3D. Its average benchmark score is 77712.

Q: Does this build support ray tracing?

A: Yes, the GPU has 170 ray tracing cores and 680 tensor cores, which enable hardware-accelerated ray tracing and AI-based features.

Usage Scenarios

High-refresh gaming: The CPU's single-thread performance (3DMark single-thread 1121, PassMark single-thread 4330) handles game logic efficiently, while the GPU's 3DMark Steel Nomad score of 14326 suggests high frame rates at 1080p and 1440p. The 32 GB VRAM prevents texture pop-in and stutter in demanding titles.

Streaming: The CPU's 16 cores and 24 threads handle encoding and game processing simultaneously, with a 3DMark max threads score of 11897 ensuring smooth multitasking. The GPU's tensor cores could offload encoding work via hardware acceleration.

Video editing: The CPU's Cinebench R23 multicore score of 36859 and the GPU's 104.8 TFLOPS FP32 compute accelerate rendering and effects. The GPU's 32 GB VRAM handles 4K and 8K timelines without exhausting memory.

3D rendering: The GPU's PassMark GPU compute score of 28396 and Geekbench OpenCL score of 310674 indicate strong ray tracing and rasterization performance. The CPU's 16 cores assist with geometry processing and scene compilation.

Software development: The CPU's PassMark integer math score of 147575 and data compression score of 563709 speed up compilation and testing. The GPU's compute capability supports parallel workloads like unit testing and simulation.

Student and office work: The CPU's PassMark multithread score of 43698 and single-thread score of 4330 handle spreadsheets, coding assignments, and research tasks. ECC memory support adds reliability for long-running calculations. The integrated UHD Graphics 770 provides a fallback if the discrete GPU is disabled.

Rate My PC: Intel Core i9-12900KS + NVIDIA GeForce RTX 5090 D

Apex Performer

System Balance Analysis

Intel Core i9-12900KS

NVIDIA GeForce RTX 5090 D

Market Position

Game Performance Benchmarks

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

Performance Insights

Optimal Performance

4K Gaming Ready

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

Upgrade Path and Platform

Gaming Performance

CPU Analysis

Balance and Bottleneck

Benchmark Performance

Who Should Build It

GPU Analysis

FAQ

Usage Scenarios

4K Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1440p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1080p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

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