Intel Core 5 320 vs Intel Core Ultra 7 265HX Comparison
Intel Core 5 320
Core Ultra 7 265HX
PERFORMANCE BENCHMARKS
Analysis: Intel Core 5 320 vs Intel Core Ultra 7 265HX
The Intel Core 5 320 and Intel Core Ultra 7 265HX occupy very different positions in the mobile processor landscape. The data shows a decisive performance gap across every recorded benchmark, with the Core Ultra 7 265HX winning all 17 head-to-head comparisons. The average benchmark score for the Core Ultra 7 265HX is 63173, placing it in the 93rd percentile of all CPUs, while the Core 5 320 averages 18023, landing in the 72nd percentile. This is not a close contest, but the nature of each chip’s wins reveals distinct use-case strengths.
Head-to-Head Benchmarks
The most extreme margin appears in Cinebench R23 multi-core, where the Core Ultra 7 265HX scores 40642 against the Core 5 320’s 6197, a delta of 84.8%. This is the largest percentage gap in the entire test suite and reflects the massive core-count advantage of the Ultra 7. In Cinebench R20 multi-core, the Ultra 7 delivers 17069 versus 5462, a 68% lead. Cinebench R15 multi-core shows 4096 against 1054, a 74.3% difference. These results indicate that heavily threaded rendering workloads favor the Ultra 7 by a wide margin.
Single-core performance tells a slightly different story. In Cinebench R23 single-core, the Ultra 7 scores 5737 compared to 1926, a 66.4% advantage. Cinebench R20 single-core shows 2409 versus 771, also a 68% gap. Cinebench R15 single-core is 578 versus 276, a 52.2% lead. The smallest overall delta appears in PassMark single-thread, where the Ultra 7 scores 4500 against 4045, just 10.1% ahead. This suggests that while the Ultra 7 wins every single-thread test, the Core 5 320 is relatively closer in lightly threaded tasks.
PassMark integer math shows the Ultra 7 at 126954 versus 32323, a 74.5% lead. Floating point math is 161605 versus 42440, a 73.7% gap. Data compression results are 511817 against 148779, a 70.9% difference. Data encryption shows 39472 versus 10984, a 72.2% margin. Extended instructions score 40741 versus 13262, a 67.4% lead. Prime number finding is 406 versus 110, a 72.9% gap. Physics simulation shows 2978 versus 1221, a 59% difference, which is the second-smallest margin after single-thread. Random string sorting is 62458 versus 18038, a 71.1% gap. PassMark multithread is 47985 versus 15450, a 67.8% lead.
The single-thread result deserves attention. A 10.1% difference in PassMark single-thread is modest compared to the 52.2% to 84.8% gaps seen elsewhere. This indicates the Core 5 320’s architecture is efficient per thread, even though it cannot match the Ultra 7’s raw throughput. The physics test at 59% also shows a narrower gap, suggesting the Core 5 320 handles certain latency-sensitive workloads better than its core count would imply.
Architecture Differences
The two processors come from different design lineages. The Core 5 320 uses the Wildcat Lake codename with a 3 nm process node fabricated by Intel. The Core Ultra 7 265HX uses Arrow Lake-HX, also on a 3 nm node, but fabricated by TSMC. The Ultra 7 lists 17,800 million transistors on a 243 mm² die, while the Core 5 320 has no recorded transistor count or die size.
Core configuration differs fundamentally. The Core 5 320 has 6 cores and 6 threads, meaning no hyperthreading. The Core Ultra 7 265HX has 20 cores and 20 threads, also without hyperthreading, but with more than triple the core count. Base clocks are 1.50 GHz for the Core 5 320 and 2.60 GHz for the Ultra 7. Boost clocks are 4.60 GHz and 5.30 GHz respectively.
Cache hierarchies are structured differently. The Core 5 320 has 192 KB of L1, 2.5 MB of L2, and 6 MB of shared L3. The Ultra 7 has 192 KB of L1 per core, 3 MB of L2 per core, and 30 MB of shared L3. The per-core L2 allocation on the Ultra 7 is substantial, and the total L3 cache is five times larger.
Memory support diverges as well. The Core 5 320 supports DDR5 and LPDDR5X with a single-channel memory bus and 59.7 GB/s bandwidth. The Ultra 7 supports DDR5 only, but uses a dual-channel bus with 102.4 GB/s bandwidth. Neither supports ECC memory.
PCIe connectivity differs by generation and lane count. The Core 5 320 uses Gen 4 with 6 CPU lanes. The Ultra 7 uses Gen 5 with 20 CPU lanes. Integrated graphics also differ: the Core 5 320 has Intel Xe3 Graphics with 2 Xe cores, while the Ultra 7 has Arc Xe-LPG Graphics with 64 EU. The Ultra 7 has an unlocked multiplier; the Core 5 320 does not.
Sockets are incompatible. The Core 5 320 uses Intel BGA 1516, while the Ultra 7 uses Intel BGA 2114. The Ultra 7 belongs to the Core Ultra Series 2, while the Core 5 320 has no series designation. Release dates differ by over a year, with the Ultra 7 released in January 2025 and the Core 5 320 dated April 2026.
The Verdict
The data is unambiguous. The Core Ultra 7 265HX outperforms the Core 5 320 in every single recorded benchmark. For multi-core workloads, the Ultra 7 is between 67.8% and 84.8% ahead depending on the test. For single-core, the lead ranges from 10.1% in PassMark to 66.4% in Cinebench R23. The Ultra 7’s average benchmark score of 63173 is roughly 3.5 times the Core 5 320’s 18023.
The Core 5 320’s only relative strength is its narrower single-thread deficit. A 10.1% gap in PassMark single-thread means that for basic office tasks, web browsing, or light coding, the Core 5 320 is not dramatically slower. However, the Ultra 7 still wins those tests outright. The Core 5 320 also has a lower power envelope at 15 W TDP versus 55 W for the Ultra 7, which may matter in fanless or compact designs.
Users who need rendering performance, data compression, encryption, or heavy math workloads should choose the Ultra 7 without hesitation. The 84.8% lead in Cinebench R23 multi-core is decisive. Users prioritizing battery life in a thin laptop might prefer the Core 5 320, but the data shows they will sacrifice significant performance in every category.
FAQ
Q: Which processor wins in multi-core benchmarks?
A: The Intel Core Ultra 7 265HX wins all multi-core tests. Cinebench R23 multi-core shows 40642 versus 6197, an 84.8% lead. PassMark multithread is 47985 versus 15450, a 67.8% advantage.
Q: How close are they in single-thread performance?
A: The closest result is PassMark single-thread, where the Ultra 7 scores 4500 versus 4045, a 10.1% gap. Cinebench R23 single-core shows a larger 66.4% difference at 5737 versus 1926.
Q: What are the core and thread counts?
A: The Core 5 320 has 6 cores and 6 threads. The Core Ultra 7 265HX has 20 cores and 20 threads. Neither processor uses hyperthreading.
Q: Do they support the same memory types?
A: No. The Core 5 320 supports DDR5 and LPDDR5X with single-channel memory at 59.7 GB/s. The Ultra 7 supports only DDR5 with dual-channel memory at 102.4 GB/s.
Q: What is the TDP difference?
A: The Core 5 320 has a 15 W TDP. The Core Ultra 7 265HX has a 55 W TDP.
Q: Which processor has a larger cache?
A: The Ultra 7 has 30 MB of shared L3 cache and 3 MB of L2 per core. The Core 5 320 has 6 MB of shared L3 and 2.5 MB of total L2.
Where Each One Wins
The Core Ultra 7 265HX wins every benchmark category in the database. Its strongest areas are multi-core rendering, with an 84.8% lead in Cinebench R23 multi-core and a 74.3% lead in Cinebench R15 multi-core. Data compression shows a 70.9% advantage, making it the clear choice for archive handling or database workloads. Integer math at 74.5% ahead and floating point at 73.7% ahead confirm superiority in computational tasks. Encryption at 72.2% ahead suits secure workloads. The Ultra 7 also wins in physics simulation by 59%, which is its smallest multi-core margin but still a decisive victory.
The Core 5 320 does not win any recorded benchmark. Its closest results are PassMark single-thread at 10.1% behind and physics at 59% behind. These narrower gaps indicate that for single-threaded applications or latency-sensitive tasks, the Core 5 320 is less disadvantaged. The 15 W TDP makes it appropriate for power-constrained environments. The single-channel memory bus at 59.7 GB/s and Gen 4 PCIe with 6 lanes are limiting factors, but they also reduce platform complexity and power draw.
Specification Differences
The two processors differ in nearly every recorded specification. The Core 5 320 has 6 cores and 6 threads, while the Ultra 7 has 20 cores and 20 threads. Base clocks are 1.50 GHz versus 2.60 GHz, and boost clocks are 4.60 GHz versus 5.30 GHz. TDP is 15 W versus 55 W. Sockets are Intel BGA 1516 versus Intel BGA 2114.
Cache totals differ substantially. The Core 5 320 has 192 KB L1, 2.5 MB L2, and 6 MB shared L3. The Ultra 7 has 192 KB L1 per core, 3 MB L2 per core, and 30 MB shared L3. Memory support is DDR5 and LPDDR5X for the Core 5 320 versus DDR5 only for the Ultra 7. Memory bus is single-channel versus dual-channel, with bandwidth at 59.7 GB/s versus 102.4 GB/s.
PCIe connectivity is Gen 4 with 6 lanes on the Core 5 320 versus Gen 5 with 20 lanes on the Ultra 7. Integrated graphics are Intel Xe3 with 2 Xe cores versus Arc Xe-LPG with 64 EU. The Ultra 7 has an unlocked multiplier; the Core 5 320 does not. The Ultra 7 has a recorded transistor count of 17,800 million and die size of 243 mm²; the Core 5 320 has neither recorded. The Ultra 7 is fabricated by TSMC, while the Core 5 320 is fabricated by Intel. Release dates are January 2025 for the Ultra 7 and April 2026 for the Core 5 320. The Core 5 320 has a launch MSRP of $340; the Ultra 7 has no recorded launch MSRP.