SYSTEM ANALYZER

Rate My PC: Intel Core Ultra 7 265K + NVIDIA GeForce RTX 5080

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

97 / 100
ULTIMATE READY

Apex Performer

Top 3% 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
97%
VS
GPU
97%
PROCESSOR

Intel Core Ultra 7 265K

70,879 Benchmark Score
Top 3% Market Ranking
View Full Specs →
GRAPHICS CARD

NVIDIA GeForce RTX 5080

56,083 Benchmark Score
Top 3% 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

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.

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 Intel Core Ultra 7 265K and NVIDIA GeForce RTX 5080 form a desktop build that lands in the 91st percentile of all measured pairs, with the CPU at the 94th and the GPU at the 87th percentile individually. This is a high-end, large-socket platform intended for 144Hz-plus gaming and serious number-crunching, and the data confirms it with a combination of strong single-threaded throughput, a large core count, and a fast Blackwell-era GPU with 16 GB of GDDR7 and a 960 GB/s memory bus. Every FPS figure and benchmark score in this analysis comes directly from the measured sample of this exact pairing.

Upgrade Path and Platform

The Intel Core Ultra 7 265K uses the LGA1851 socket, a platform that is specific to the Arrow Lake-S architecture and does not physically accommodate older Intel chips. The CPU itself is a +K part with an unlocked multiplier, so the platform allows most enthusiasts to tune the all-core boost beyond the stock 5.50 GHz that the chip advertises when shipped. The CPU frees up with a 125W TDP, which is modest for a 20-core desktop part, meaning a lower-end air tower or a 240mm-class liquid cooler is almost always enough to eat the stock 125W. The 125W TDP also keeps the power delivery cost lower; many 500W assist units will suffice, though the GPU alone suggests a little breathing room.

The GPU's 750W suggested PSU is a one-time rating claim of power headroom; it includes the card's own 360W TDP plus the rest of the system. That 750W is a telling cape for the whole box. For a builder doing an initial install, a standard 850W ATX 3.0/PCIe 5.0 unit will run the pair comfortably without reaching for the very high end. The board this drops into is the Intel Xeon 4-slot or mainstream 450-board relationship — the CPU's PCIe implementation limits the builder to Gen 4 (20 lanes from the CPU), but the RTX 5080 uses a Gen 5 ×16 bus. Wait, that's a contradiction: the CPU is listed as Gen 5, 20 Lanes(CPU only) and the GPU bus is PCIe 5.0 ×16. So the board must have that Gen 5 support. Actually, the pack says PCIe "Gen 5, 20 Lanes(CPU only)". So the CPU supports PCIe Gen 5 with 20 lanes, and the GPU uses ×16 of that. So we must say: The CPU provides 20 Gen 5 lanes directly to the GPU, and the RTX 5080 asks for 16 lanes, leaving 4 interesting idle. The rest is handled by the chipset. Memory is Dual-channel DDR5, with the CPU officially rated for up to 102.4 GB/s and ECC support, which is rare for an Intel desktop part and a serious boon for a small percentage of builders who run Linux-based file servers.

A sensible next upgrade step, based on the memory bus and the two cores, is to add a second RDIMM of DDR5 to run dual-rank; if this is a two-slot board, that means moving up to 64 GB to feed the 20 cores, or securing a same-ranked pair. If the PCIe Gen 5 is fully used, there is one toughness to add more lanes for a second GPU, but that's not necessary; the GPU 5080 is already everything. The box in front of this uses the 20-lane PCIe Gen 5 CPU link, and the Socket 1851 is the highest level of the Intel mid-range that supports ECC, so a professional workstation build can grow with a better 100W-class cooling and a multi-Noctua heatsink. That’s about it for the platform.

Balance and Bottleneck

The FPS evidence in the measured data is stark for detecting where the CPU becomes bystanders. At 1080p, the system pumps Counter-Strike: Global Offensive to 744 FPS, and that number drops by ~32% at 1440p (to 512) and then further by ~41% at 4K (to 302). That's still absurdly high, and the slope is typical for an old-light title where the GPU is fully capable but the CPU is doing a heavy preparer (draw call huddle). Meanwhile, at 4K, the same game is still above 300 FPS, meaning even the worst-case 4K environment can't saturate the CPU. So in esports games, the CPU is rarely the limit; the GPU does a nice job of anticipating at 4K.

Now consider Cyberpunk 2077 at 1080p: 104.5 FPS, then 76.4 at 1440p (-27%), then 51.9 at 4K (-50% from 1440p). That's a classic GPU-bound title where the CPU has plenty of spare headroom. The gap between the weakest and strongest GPU at 4K versus at 1080p is large, which indicates a strong GPU scaling. The same pattern repeats in Red Dead Redemption 2: 90 FPS at 1080p, 67 at 1440p, and 45 at 4K. Here, the CPU never becomes the single limiter because the raytracing and object density are heavy.

We can also pick out the extreme esports pairing: Valorant at 1080p gives 617.8, 585.4 at 1440p, and 534.3 at 4K. That drop is only ~13% from 1080p to 4K, which means all 4K on this system still runs above 534 FPS, so the GPU is bumping against the CPU's single-thread limit or the driver's queue. The FP is chosen to either be the GPU or the CPU, but the unsilenced numbers are all playing at 4K-high refresh. For 4K gaming, the CPU has plenty, the GPU is the governor; for 1080p e-sports, the CPU becomes the "first throat" but 745 FPS leaves almost nobody wanting.

Benchmark Performance

The CPU's average benchmark score across all tested workloads is 70879, placing it into the 94th percentile of all CPUs. The nearest rivals in the data are: Intel Xeon 6511P (average score 71051, deltaPct -0.2), Intel Xeon Platinum 8270 (71370, -0.7), Intel Core i7-14700KF (70163, +1), and AMD Ryzen 7 9700F (69996, +1.3). This effectively means the 265K sits within a rounding error of a mid-tier Xeon and is ~1% faster than the i7-14700KF and the Ryzen 7 9700F in overall compute. In single-threaded GeekBench, it scores 2713; multi-core 23085. Cinebench R23 scores 2020 single, 35850 multi; the R20 multi is 20918 and R15 multi is 5020. PassMark synthes gives a single-thread 4928 and a multithread 58594, with integer math at 143242 and floating-point at 189169. The CPU entirely is strong for both Opp and heavy threading.

The GPU returns an average score of 56083, in the 87th percentile. Its nearest rivals are the AMD Radeon RX 9070 GRE (57367, -2.2%), AMD Radeon RX 6750 GRE 12 GB (55698, +0.7%), AMD Radeon 8060S (55757, +0.6%), and AMD Radeon Pro W5700X (54828, +2.3%). So the 5080 is within 2% of a mixed bag of desktop cards, but slightly behind the RX 9070 GRE when measured by the average. In practical lighter workloads, the AAA titles at 4K, the large VRAM and high RT throughput give it an edge, despite a lower raw average score.

The pair, taken as a whole, hits a combined percentile of 91. In gaming performance, this combination ranks 148th among 3732 measured pairs, with an average FPS of 212 across the entire test suite — that's in the top 5% of all systems on the site.

Who Should Build It

This system will feel spoiled by the right set of users, and the performance data verifies the demographic:

  • High-refresh competitive gamers: valorant slips 534 FPS at 4K, CS:GO at 1080p 744 FPS, Counter-Strike 2 337 FPS at 1080p. 1440p users can push a high Hz 360 monitor in most esports titles. 4K is still extremely high, but the CPU and GPU are both keeping up.
  • 4K gamer on a good budget: At 4K ultra, the pair holds 45–75 FPS in heavier AAA titles like Red Dead Redemption 2 (45 FPS), Cyberpunk 2077 (51.9 FPS), and Control (74.8 FPS). That's Expo often paired with DLSS. 1440p respective is the true sweet spot; 76.4 FPS in Cyberpunk and 67 in RDR2, 107.4 in Control.
  • Content creators/engineers: The CPU has 20 cores, 20 threads. Cinebench R23 multi-thread is 35850, which is in the 14th percentile of all chips, but combined with the 45 6ppass integer math and 189k FP math, this chip is a good strong renderer / for code builds / backend jobs. The GPU's OpenCL 235901 and Vulkan 255450 score suggest that it can handle substantial GPU-accelerated encoding and render tasks.
  • Students and small business workstations: The ECC RAM support is sparse on AMD consumer parts, and the CPU's ECC support combined with a Xeon-like dual-channel DDR5 and the 125W TDP is appealing. The GPU's 16GB VRAM may be enough for modelling / light simulation, while the CPU's 20 cores cheat well.
  • Professional-level game development: Being able to compile large codebases with ~35k multi-core score while simultaneously and rendering on the 5080 GPU is a big plus.

FAQ

What socket does the Intel Core Ultra 7 265K use?

The 265K uses the Intel Socket 1851, which is exclusive to Arrow Lake-S and Core Ultra Series 2 desktop processors.

Does the system support DDR5?

Yes. The CPU has dual-channel DDR5 memory with a bandwidth of 102.4 GB/s and official . It also supports ECC-enabled memory.

What is the PCIe version and lane count?

The CPU provides 20 lanes of PCIe Gen 5, and the RTX 5080 uses a PCIe 5.0 x16 slot. The GPU bus interface is PCIe 5.0 x16.

How much VRAM does the RTX 5080 have and what type?

The GPU has16 GB of GDDR7 on a 256-bit bus, offering960.0 GB/s of memory bandwidth.

What is the CPU vs GPU percentile ranking?

The CPU is in the 94th percentile, the GPU in the 87th, and the combined pair percentile is 91.

What are the CPU's clock speeds?

Base clock is 3.90 GHz, boost clock is 5.50 GHz, TDP is 125 W.

What is the GPU's power requirement?

The GPU's TDP is 360 W, and the suggested PSU rating is 750 W.

Is there an iGPU integrated?

Yes, the CPU contains an Arc Xe-LPG Graphics 64EU, which is useful for basic display output or Quick Sync.

GPU Analysis

The RTX 5080 is a chip built on NVIDIA’s new generation architecture "Blackwell 2.0", fabricated on TSMC’s 5 nm node with a die size of 378 mm² and 45.6 billion transistors. In terms of core counts, it has 10752 shading units, 336 texture units (TMUs) and 112 ROPs. It brings 84 ray-tracing cores and 336 tensor cores, the latter enabling aggressive DLSS-upscaling. The memory subsystem is 16 GB GDDR7 on a 256-bit bus, yielding 960 GB/s. The clock speeds are 2295 MHz base and 2617 MHz boost, and the memory runs at 1875 MHz, with 30 Gbps effective.

In the 3DMark Steel Nomad DX12 test, it hits 8637 points, and in PassMark DirectX tests it delivers a 36565 G3D score and a 21789 GPU compute score. The Geekbench OpenCL score is 235901 and Vulkan score 255450. The pixel fill rate is 293.1 GPixel/s and the texture fill rate 879.3 GTexel/s, which aligns with its capability to keep a 1440p high refresh panel or 4K30/40 without RT.

Datamined comparisons show the 5080 sits only ~0.7% above a Radeon RX 6750 GRE 12GB and ~0.6% above an AMD Radeon 8060S in average score, but the DX12 and compute scores (such as 8637 in Steel Nomad) are substantial. Its RT core count is a clear landlord head for the RT-heavy load in Cyberpunk at 4K.

Gaming Performance

Real, measured FPS at each resolution is available for 54 titles. The figures below are sampled at "Ultra" settings—the highest graphics preset offered—and represent the true recorded data.

  • At 1080p, this build is a framerate monster: Counter-Strike: Global Offensive 744 FPS, Valorant 617.8 FPS, Counter-Strike 2 337 FPS, Minecraft 332 FPS, Tom Clancy's Rainbow Six Siege 400 FPS, and Doom 257.7 FPS. Heavy loads remain thief of plentiful: Cyberpunk 2077 at 104.5 FPS, Red Dead Redemption 2 at 90 FPS, The Medium at 74 FPS, and Ark: Survival Ascended at 49 FPS (the lowest of the set). Average FPS at 1080p, across all games, lands at a massive 115 FPS.
  • At 1440p, the same games see a console-grade drop, but still mostly above 144Hz on most shooter games: Valorant stays at 585.4 FPS, CSGO 512 FPS, CS2 223 FPS,/s the strongest competitive numbers. AAA games are fully playable at high refresh: Cyberpunk 76.4 FPS, Red Dead 67 FPS, Control 108.4 FPS, and Fortnite 107.9 FPS. The 1440p average across the suite is 134 FPS.
  • At 4K, the system enters a more tempered territory: Cyberpunk 51.9 FPS, RDR2 45 FPS, Control 149/ But Control 74.8 FPS, Call of Duty: Warzone 148.4 FPS, and Fortnite 56.1 FPS. The 4K overall average ground is 85.4 FPS; like a mid-range, 4K-capable setup that benefits from DLSS. The slowest single entry is Ark: Survival Ascended at 16 FPS, which shows a brutal once-in-a-year profile.

Because this data is measured, not estimated, these numbers can be trusted as genuine. The global average FPS across all games and resolutions for this pair is 212, and the pair rank is 148th out of 3732, which is the 96th percentile.

Build Overview

The Intel Core Ultra 7 265K with the RTX 5080 is a desktop-class system, per the build class, with a combined percentile rank of 91. This class is designed for high-frame-rate operation at 1440p and heavy production work, and it does both without dealer compromise. The CPU is a 20-core, 20-thread Arrow Lake-S part with a 5.5 GHz boost, opening a capability that was once exclusive to HEDT. The GPU part is a conventional Blackwell 2.0 chip with 16GB VRAM that drives a 1440p high-refresh monitor at 240Hz in esports, and delivers side—60 fps at 4K in the most demanding title tested.

It creates a very effective, all-rounder that lacks for nothing except true 4K ray-traced ultra (like Cyberpunk's path tracing). For 1440p gaming, a 100+ Hz is the norm, and 1080p high refresh is a dream.

CPU Analysis

The Intel Core Ultra 7 265K processor is a little previous-gen Xeon-listed part: it has 20 physical cores and 20 threads, which means it does not use Intel Hyper-Threading, so each core is one thread. Its base clock is 3.90 GHz, with a maximum boost clock of 5.50 GHz. The unified cache is 30 MB L3 shared, plus a 3MB L2 per core.

The Benchmarks describe the array: it gets a Geekbench multicore of 23085 and single-core of 2713. In Cinebench R23, the multi-core is 35850 and single 2020. That R23 multi-score is a high-tier workstation number, matching a first-generation Xeon or a 16-core desktop. In PassMark, the PT 265 is found most comfortable at 58,594 multithread, capped at integer math 143,242 and FP math 189,629.

When compared to the nearest rival in the database, the Intel Core i7-14700KF scores 70,163 total; the 265K outperforms it by 1.0% in the same test bat. It also sits 1.3% past the Ryzen 7 9700F and -0.2% behind the Xeon 6511P, then within noise. These aren't enormous margins, but at this percentile a 0.5% margin represents dozens of fps in some tasks.

The memory support is striking for a mainstream part: it supports ECC, which unless you go, for instance, a Threadrippper without huge cost. The cache structure is large at 2 MB per core (36 MB L2 total) and 30 MB shared L3, giving high core-to-cache bandwidth. That is why it finds a little edge in software using high memory.

The node is a 3 nm TSMC process, with a 249 series (the numerical node), reducing transistorof39 thousand (163 million? Actually 17,800 million is 17.8 billion, die size 243 mm²). The transistor density is high, which results in a efficient and receives a lower wattage at 125W TDP, and high clock for a robust build.

The CPU's combined 94th percentile ranking, with near-identical scores to an Xbox 6-supplied HEDT, makes it ideal for mid/high body. The decision to use it with the powerful RTX 5080 is coherent, as they share the same mid-1996 market segment, and it seems they will survive well on the each other at 1080p and 1440p, with minimal bottleneck in most cases.