Intel Core Ultra 5 135U vs Intel Core Ultra 9 288V Comparison

Intel Core Ultra 9 288V and Intel Core Ultra 5 135U represent two distinct approaches to mobile computing from Intel. The Ultra 9 288V is a Lunar Lake part built on a 3 nm TSMC process, while the Ultra 5 135U is a Meteor Lake chip fabricated by Intel on a 7 nm node. The recorded data shows a clear performance hierarchy, but the specifics reveal a more nuanced picture than simple generational superiority. The Ultra 9 288V wins 14 of the 17 head-to-head benchmark comparisons, yet the Ultra 5 135U claims three victories with substantial margins. This analysis walks through the architecture, benchmark results, and practical implications derived strictly from the database.

FAQ

Q: Which processor has the higher single-core performance?

A: The Intel Core Ultra 9 288V dominates single-core workloads. In Cinebench R23 single-core, it scores 1950 against 1563 for the Ultra 5 135U, a 24.8% advantage. PassMark single-thread results show 4274 versus 3343, a 27.8% lead.

Q: How do the two chips compare in multi-core rendering workloads?

A: The Ultra 9 288V leads in most Cinebench multi-core tests. In Cinebench R20 multi-core, it scores 7069 versus 5934, a 19.1% edge. The Ultra 5 135U wins only the Cinebench R15 multi-core test, scoring 1634 against 1583, a 3.1% margin.

Q: Does the Ultra 5 135U win any benchmark categories?

A: Yes, the Ultra 5 135U wins three head-to-head tests: Cinebench R15 multi-core by 3.1%, PassMark data compression by 5.2% (196712 vs 186521), and PassMark integer math by 22.6% (56864 vs 44019).

Q: What is the difference in process node technology?

A: The Ultra 9 288V uses a 3 nm process from TSMC, while the Ultra 5 135U uses a 7 nm process from Intel. This represents a significant manufacturing generation gap between the two parts.

Q: How do the core and thread counts differ?

A: The Ultra 5 135U has 12 cores and 14 threads, whereas the Ultra 9 288V has 8 cores and 8 threads. Despite having fewer cores, the Ultra 9 288V still wins most multi-threaded benchmarks.

Q: What are the average benchmark scores for each processor?

A: The Ultra 9 288V has an average benchmark score of 23219, while the Ultra 5 135U averages 22618. Both sit at the 76th percentile among all CPUs, indicating similar overall standing.

Architecture Differences

The two processors come from different Intel product families. The Ultra 9 288V belongs to Core Ultra Series 2 with the Lunar Lake architecture, while the Ultra 5 135U is from Core Ultra Series 1 using Meteor Lake. This generational split explains many of the observed performance differences.

Manufacturing processes diverge sharply. The Lunar Lake chip is built on a 3 nm node by TSMC, while Meteor Lake uses Intel's 7 nm process. The smaller process node typically enables higher clock speeds and better efficiency, which aligns with the Ultra 9's performance advantages.

Core configurations differ fundamentally. The Ultra 9 288V uses 8 cores and 8 threads, a design without hyperthreading. The Ultra 5 135U employs 12 cores and 14 threads, indicating a hybrid arrangement with some cores supporting additional threads. The Ultra 5's higher core count helps in specific workloads like integer math and compression.

Cache hierarchies vary between the two. The Ultra 9 288V features 192 KB L1 cache per core and 2.5 MB L2 per core, while the Ultra 5 135U has 112 KB L1 per core and 2 MB L2 per core. Both share 12 MB of L3 cache. The larger per-core caches on the Ultra 9 contribute to its single-thread performance lead.

Memory support differs as well. The Ultra 9 288V supports LPDDR5X memory with 136.5 GB/s bandwidth, while the Ultra 5 135U supports DDR5 with 89.6 GB/s bandwidth. Both use dual-channel memory buses. The higher memory bandwidth on the Ultra 9 supports its faster integrated graphics and compute capabilities.

The integrated graphics solutions are distinct. The Ultra 9 288V contains Arc 140V graphics, whereas the Ultra 5 135U has Arc Xe-LPG 64EU. The Ultra 9's newer GPU architecture aligns with its higher overall performance profile.

Head-to-Head Benchmarks

The benchmark data reveals a pattern of Ultra 9 288V dominance with specific counterexamples. In Cinebench R23 multi-core, the Ultra 9 scores 10178 against 9315, a 9.3% win. The same test in single-core shows a 24.8% gap at 1950 versus 1563. Cinebench R20 results mirror this: multi-core 7069 vs 5934 for a 19.1% lead, single-core 997 vs 837, also 19.1%.

PassMark tests show the Ultra 9's strongest advantages. Floating point math scores 59536 versus 41232, a 44.4% margin. Physics tests show 1637 against 1122, a 45.9% lead. Extended instructions score 15613 versus 11144, a 40.1% gap. The most extreme result is find prime numbers, where the Ultra 9 scores 195 against 64, a massive 204.7% advantage.

Data encryption favors the Ultra 9 by 16% (14141 vs 12195). Random string sorting shows a modest 4.6% win (22622 vs 21620). PassMark multithread scores 19810 versus 17359, a 14.1% edge. Single-thread tests show 4274 vs 3343, a 27.8% advantage.

The Ultra 5 135U wins three tests with notable margins. Integer math shows 56864 against 44019, a 22.6% victory, the largest win for either side in absolute terms. Data compression scores 196712 versus 186521, a 5.2% edge. Cinebench R15 multi-core gives the Ultra 5 a narrow 3.1% win at 1634 versus 1583.

The overall win count stands at 14 for the Ultra 9 288V and 3 for the Ultra 5 135U. The Ultra 9's wins are more frequent and often larger, but the Ultra 5's integer math victory demonstrates that core count still matters for certain computational tasks.

The Verdict

The data points to the Intel Core Ultra 9 288V as the stronger processor for most workloads. Its single-core performance lead is consistent and substantial, ranging from 19.1% to 27.8% across different tests. Multi-core performance also favors the Ultra 9 in Cinebench R20 and R23, with leads of 19.1% and 9.3% respectively. The PassMark multithread score confirms this trend at 14.1% ahead.

Users running physics simulations, floating point calculations, or extended instruction sets should choose the Ultra 9 288V. The 44.4% floating point lead and 45.9% physics advantage are decisive for scientific or engineering applications. The 204.7% difference in prime number finding highlights the Ultra 9's superior integer processing pipeline for that specific task.

The Ultra 5 135U remains relevant for integer-heavy workloads. Its 22.6% integer math win and 5.2% data compression edge suggest it handles certain algorithm types better, likely due to its 12-core, 14-thread configuration. For users whose primary tasks involve large integer operations or compression, the Ultra 5 offers measurable benefits.

Both processors sit at the 76th percentile among all CPUs, with average scores of 23219 and 22618 respectively. The Ultra 9's nearest rivals include the Intel Core i9-11900F with a 0.2% lower average score, while the Ultra 5 closely matches the Intel Core i5-12500H at a 0% delta. These positioning data indicate both chips perform in a similar league overall.

The Ultra 9 288V is the better choice for general productivity, content creation, and single-threaded applications. The Ultra 5 135U suits specialized integer workloads and scenarios where its higher core count provides advantages. The decision ultimately depends on the specific computational profile of the intended use.

Specification Differences

The two processors differ across several key specifications. The Ultra 9 288V has 8 cores and 8 threads, while the Ultra 5 135U offers 12 cores and 14 threads. Base clock speeds show 3.30 GHz for the Ultra 9 and 1.60 GHz for the Ultra 5. Boost clocks reach 5.10 GHz on the Ultra 9 versus 4.40 GHz on the Ultra 5.

Thermal design power differs significantly: 30 W for the Ultra 9 288V and 15 W for the Ultra 5 135U. Socket types vary, with the Ultra 9 using Intel BGA 2833 and the Ultra 5 using Intel BGA 2049. Process nodes contrast sharply at 3 nm for the Ultra 9 and 7 nm for the Ultra 5.

Cache allocations differ per core. The Ultra 9 provides 192 KB L1 and 2.5 MB L2 per core, versus 112 KB L1 and 2 MB L2 for the Ultra 5. Both share 12 MB L3 cache. Memory bandwidth shows 136.5 GB/s for the Ultra 9 and 89.6 GB/s for the Ultra 5.

PCIe support varies: the Ultra 9 supports Gen 5 with 4 lanes, while the Ultra 5 supports Gen 4 with 12 lanes. Integrated graphics differ, with Arc 140V on the Ultra 9 and Arc Xe-LPG 64EU on the Ultra 5. Release dates show the Ultra 5 arriving on 2023-12-13 and the Ultra 9 on 2024-09-23.

Where Each One Wins

The Intel Core Ultra 9 288V wins in single-threaded applications, showing a 24.8% lead in Cinebench R23 single-core and 27.8% in PassMark single-thread. It also excels in multi-core rendering, with 19.1% advantages in Cinebench R20 multi-core and 9.3% in R23 multi-core. Floating point math, physics, encryption, and extended instructions all favor the Ultra 9 with margins from 16% to 45.9%.

The Ultra 9 288V is the clear choice for workloads involving complex mathematical operations, scientific computing, and rendering tasks. Its higher clock speeds and newer architecture deliver consistent advantages across most benchmark categories. The 204.7% lead in prime number finding suggests exceptional performance for cryptographic or number-theoretic applications.

The Intel Core Ultra 5 135U wins in integer math with a 22.6% margin, indicating superior performance for integer-heavy algorithms. Data compression shows a 5.2% advantage, benefiting file archiving or database workloads. Cinebench R15 multi-core gives the Ultra 5 a narrow 3.1% edge, though this older test may not reflect modern workloads.

The Ultra 5 135U is preferable for tasks centered on integer arithmetic, such as certain data processing pipelines or compression utilities. Its 12-core, 14-thread configuration provides parallel processing capabilities that the Ultra 9's 8-core design cannot match in these specific scenarios. The lower 15 W TDP also suggests efficiency advantages for battery-constrained devices.

For most users, the Ultra 9 288V offers broader performance across diverse workloads. The Ultra 5 135U serves a narrower but legitimate niche where its integer math and compression strengths align with specific application requirements. The database records make this split clear, with each processor claiming distinct advantages.