Intel Core 5 315 vs Intel Core Ultra 7 270K Plus Comparison
Intel Core 5 315
Core Ultra 7 270K Plus
PERFORMANCE BENCHMARKS
Analysis: Intel Core 5 315 vs Intel Core Ultra 7 270K Plus
The Verdict
The benchmark data is unambiguous: the Intel Core Ultra 7 270K Plus wins all 17 recorded head-to-head tests against the Intel Core 5 315. The Ultra 7 270K Plus delivers a 5.1x higher average benchmark score (93785 versus 18188), placing it in the 96th percentile of all CPUs, while the Core 5 315 sits in the 72nd percentile. For any workload that demands multi-threaded throughput, sustained compute, or high single-core responsiveness, the Ultra 7 270K Plus is the decisive choice.
The Core 5 315, however, is a mobile segment processor with a 15 TDP and a single-channel memory bus, designed for compact, power-conscious systems. Its 6 cores and 6 threads, paired with a 1.50 GHz base clock, position it as an efficiency-oriented part. The data shows no scenario where the Core 5 315 outperforms the Ultra 7 270K Plus in the recorded benchmarks. The verdict is straightforward: the Ultra 7 270K Plus is for desktop users who need maximum compute, while the Core 5 315 serves a different market entirely, where its lower power envelope and mobile socket are the primary considerations.
Architecture Differences
The two processors share the same 3 nm process node, but the foundry differs. The Core 5 315 uses Intel as the foundry, while the Ultra 7 270K Plus is fabricated by TSMC. The Core 5 315 belongs to the Wildcat Lake codename family, whereas the Ultra 7 270K Plus is based on Arrow Lake Refresh. The Core 5 315 has 6 cores and 6 threads, meaning no hyper-threading, while the Ultra 7 270K Plus offers 24 cores and 24 threads.
Cache hierarchies diverge sharply. The Core 5 315 has a 192 KB L1 cache, 2.5 MB of L2, and 6 MB of shared L3. The Ultra 7 270K Plus has 192 KB of L1 per core, 3 MB of L2 per core, and a 36 MB shared L3. The Ultra 7 270K Plus also discloses 17,800 million transistors on a 243 mm² die, while the Core 5 315 does not list transistor or die size data. The memory controller differs: the Core 5 315 supports DDR5 and LPDDR5X over a single-channel bus with 59.7 GB/s bandwidth, while the Ultra 7 270K Plus uses dual-channel DDR5 with 115.2 GB/s bandwidth. ECC memory is supported on the Ultra 7 270K Plus, but not on the Core 5 315.
PCIe capabilities also separate the two. The Core 5 315 provides Gen 4 with 6 CPU lanes, while the Ultra 7 270K Plus offers Gen 5 with 20 CPU lanes. Integrated graphics differ as well: the Core 5 315 has Intel Xe3 Graphics with 2 Xe units, while the Ultra 7 270K Plus uses Arc Xe-LPG Graphics with 64 execution units. The socket is another major division: the Core 5 315 uses Intel BGA 1516 (mobile), while the Ultra 7 270K Plus uses Intel Socket 1851 (desktop). The Ultra 7 270K Plus is multiplier-unlocked, while the Core 5 315 is not. The Ultra 7 270K Plus has a base clock of 3.70 GHz and a boost clock of 5.50 GHz, compared to 1.50 GHz base and 4.40 GHz boost for the Core 5 315.
FAQ
Q: Which processor has the higher single-core performance?
A: The Ultra 7 270K Plus leads in all single-thread tests. In Cinebench R23 single-core, it scores 2439 versus 1832 for the Core 5 315, a delta of -24.9%. In PassMark single-thread, the scores are 5068 versus 4021, a -20.7% difference.
Q: How large is the multi-core performance gap?
A: The Ultra 7 270K Plus is dramatically faster. In Cinebench R23 multi-core, it scores 44253 against 12981, a -70.7% delta. In PassMark multi-thread, it scores 68574 versus 15272, a -77.7% delta.
Q: What memory bandwidth does each processor support?
A: The Core 5 315 supports single-channel memory with 59.7 GB/s bandwidth, while the Ultra 7 270K Plus supports dual-channel memory with 115.2 GB/s bandwidth. Both accept DDR5, but only the Core 5 315 also accepts LPDDR5X.
Q: Are these processors in the same market segment?
A: No. The Core 5 315 is a mobile processor on Intel BGA 1516 with a 15 TDP, while the Ultra 7 270K Plus is a desktop processor on Intel Socket 1851 with a 125 TDP.
Q: Does the Ultra 7 270K Plus support ECC memory?
A: Yes, ECC memory is enabled on the Ultra 7 270K Plus. The Core 5 315 does not support ECC memory.
Q: Which processor has the higher CPU percentile ranking?
A: The Ultra 7 270K Plus ranks in the 96th percentile of all CPUs, while the Core 5 315 ranks in the 72nd percentile.
Specification Differences
The two processors differ on nearly every recorded specification. The Core 5 315 has 6 cores and 6 threads; the Ultra 7 270K Plus has 24 cores and 24 threads. The base clock is 1.50 GHz for the Core 5 315 versus 3.70 GHz for the Ultra 7 270K Plus. The boost clock is 4.40 GHz versus 5.50 GHz. TDP is 15 versus 125.
The socket is BGA 1516 for the Core 5 315 and Socket 1851 for the Ultra 7 270K Plus. The codenames differ (Wildcat Lake versus Arrow Lake Refresh), as do the generations (Core 5 Wildcat Lake versus Ultra 7 Arrow Lake). The foundry is Intel for the Core 5 315 and TSMC for the Ultra 7 270K Plus. The Ultra 7 270K Plus lists 17,800 million transistors and a 243 mm² die size; the Core 5 315 does not.
Cache differs: L1 is 192 KB total for the Core 5 315 versus 192 KB per core for the Ultra 7 270K Plus. L2 is 2.5 MB versus 3 MB per core. L3 is 6 MB shared versus 36 MB shared. Memory support: DDR5 and LPDDR5X for the Core 5 315, DDR5 only for the Ultra 7 270K Plus. Memory bus is single-channel versus dual-channel. Memory bandwidth is 59.7 GB/s versus 115.2 GB/s. ECC is false versus true. PCIe is Gen 4 with 6 lanes versus Gen 5 with 20 lanes. Integrated graphics are Xe3 with 2 Xe units versus Arc Xe-LPG with 64 EU. Market segment is mobile versus desktop. The multiplier is locked versus unlocked. The launch MSRP for the Core 5 315 is $340, while the Ultra 7 270K Plus has a launch MSRP of $299.
Head-to-Head Benchmarks
The Ultra 7 270K Plus wins all 17 recorded tests, and the margins are substantial. In Cinebench R15 multi-core, the Ultra 7 270K Plus scores 6656 against 1308, a -80.3% delta. Cinebench R20 multi-core shows 24461 versus 5452, a -77.7% delta. Cinebench R23 multi-core shows 44253 versus 12981, a -70.7% delta. The single-core Cinebench results are closer but still favor the Ultra 7 270K Plus: R15 single-core is 354 versus 184 (-48%), R20 single-core is 3453 versus 769 (-77.7%), and R23 single-core is 2439 versus 1832 (-24.9%).
PassMark tests show similar dominance. Data compression: 804322 versus 146143, a -81.8% delta. Data encryption: 59097 versus 11119, a -81.2% delta. Extended instructions: 63506 versus 13143, a -79.3% delta. Find prime numbers: 615 versus 112, a -81.8% delta. Floating point math: 229491 versus 42441, a -81.5% delta. Integer math: 175986 versus 31690, a -82% delta. Multi-thread: 68574 versus 15272, a -77.7% delta. Physics: 4064 versus 1163, a -71.4% delta. Random string sorting: 96945 versus 17551, a -81.9% delta. Single-thread: 5068 versus 4021, a -20.7% delta.
The smallest gap is in PassMark single-thread (-20.7%) and Cinebench R23 single-core (-24.9%), indicating that the Ultra 7 270K Plus has a meaningful but less overwhelming single-thread advantage. The largest gaps are in integer math (-82%), data compression (-81.8%), and find prime numbers (-81.8%), all heavily multi-threaded workloads. The average benchmark score confirms the overall split: 93785 for the Ultra 7 270K Plus versus 18188 for the Core 5 315.
Where Each One Wins
The Ultra 7 270K Plus wins every recorded benchmark, so the use-case split is defined by the Core 5 315's role as a mobile processor. The Ultra 7 270K Plus is the clear pick for desktop workloads that leverage its 24 cores, 24 threads, 36 MB L3 cache, dual-channel 115.2 GB/s memory bandwidth, and Gen 5 PCIe with 20 lanes. Its 125 TDP and unlocked multiplier indicate a design for sustained high-performance compute, such as rendering, simulation, data compression, and encryption. The benchmark data shows 80% or greater advantages in most multi-threaded PassMark tests, making it the stronger choice for any parallel workload.
The Core 5 315, with its 15 TDP, single-channel memory, and BGA 1516 socket, is built for mobile systems where power efficiency and compactness matter. Its 6 cores and 6 threads, 1.50 GHz base clock, and 59.7 GB/s memory bandwidth are sufficient for lighter tasks, and its integrated Xe3 graphics with 2 Xe units targets basic visual output. The data does not show a single test where the Core 5 315 wins, so its value lies entirely in its mobile form factor and low power envelope, not in performance comparisons. The Ultra 7 270K Plus is the performance winner across the board, while the Core 5 315 serves a different product category where the recorded benchmarks are not the primary selection criteria.