Intel Core 7 251E vs Intel Core Ultra 5 235TA Comparison

The Verdict

The database comparison between the Intel Core 7 251E and the Intel Core Ultra 5 235TA presents two fundamentally different desktop designs, and the recorded specifications show clear separation in their intended workloads. The Core 7 251E is a 24-core, 32-thread processor built on Intel's 10 nm process with a Bartlett Lake codename. It boosts to 5.60 GHz and pairs that with 36 MB of shared L3 cache. The Core Ultra 5 235TA uses the Arrow Lake architecture, manufactured by TSMC on a 3 nm node, with 14 cores and 14 threads, a 5.00 GHz boost clock, and 24 MB of shared L3 cache.

For multi-threaded throughput, the data points to the Core 7 251E as the stronger option. It offers 10 more cores and 18 more threads than the Core Ultra 5 235TA. Raw thread count matters in heavily parallel workloads, and a 32-thread processor has a structural advantage over a 14-thread one. The Core 7 251E also uses a larger 257 mm² die, which accommodates the extra compute blocks. The Core Ultra 5 235TA counters with a more modern 3 nm TSMC process, a higher base clock of 2.20 GHz versus 2.10 GHz, and faster memory bandwidth at 102.4 GB/s compared to 89.6 GB/s.

For single-threaded responsiveness and memory-bound operations, the Core Ultra 5 235TA has the edge. Its 5.00 GHz boost clock is lower than the Core 7 251E's 5.60 GHz, but the Arrow Lake architecture and the DDR5-only memory controller with higher bandwidth tilt the balance. The Core Ultra 5 235TA also features 192 KB of L1 cache per core and 3 MB of L2 per core, both larger than the Core 7 251E's 80 KB L1 and 2 MB L2 per core. That larger per-core cache helps latency-sensitive tasks.

The Core 7 251E supports both DDR4 and DDR5 memory, which gives platform flexibility, and it includes ECC memory support. The Core Ultra 5 235TA supports only DDR5 and lacks ECC. The Core Ultra 5 235TA provides more PCIe lanes: 20 Gen 5 lanes from the CPU versus 16 Gen 5 lanes. Both processors are locked (multiplierUnlocked is false), so overclocking is not an option on either.

The production status for both is Active, and both target the desktop market segment. The launch MSRP for the Core 7 251E is $384. The launch MSRP for the Core Ultra 5 235TA is $269. Neither processor has recorded benchmark scores in the database (avgBenchmarkScore is 0 for both), and both sit at the 50th percentile versus all CPUs. There are no nearest rivals listed and no head-to-head benchmark results, so the comparison rests entirely on the specification fields.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 7 251E has 24 cores and 32 threads. The Intel Core Ultra 5 235TA has 14 cores and 14 threads. The Core 7 251E leads by 10 cores and 18 threads.

Q: Which processor has the higher boost clock?

A: The Intel Core 7 251E boosts to 5.60 GHz. The Intel Core Ultra 5 235TA boosts to 5.00 GHz. The Core 7 251E is 0.60 GHz higher.

Q: Which processor supports ECC memory?

A: The Intel Core 7 251E supports ECC memory. The Intel Core Ultra 5 235TA does not list ECC memory support in the database.

Q: What memory types does each processor support?

A: The Intel Core 7 251E supports DDR4 and DDR5. The Intel Core Ultra 5 235TA supports DDR5 only.

Q: Which processor has more PCIe Gen 5 lanes from the CPU?

A: The Intel Core Ultra 5 235TA has 20 Gen 5 lanes. The Intel Core 7 251E has 16 Gen 5 lanes. The Core Ultra 5 235TA leads by 4 lanes.

Q: What are the launch MSRP values?

A: The Intel Core 7 251E has a launch MSRP of $384. The Intel Core Ultra 5 235TA has a launch MSRP of $269.

Architecture Differences

The two processors come from different architectural families and manufacturing sources. The Intel Core 7 251E uses the Bartlett Lake codename and belongs to the Core 7 (Bartlett Lake) generation. It is fabricated by Intel on a 10 nm process. The die measures 257 mm². The Intel Core Ultra 5 235TA uses the Arrow Lake architecture with the Arrow Lake-S codename and belongs to the Core Ultra Series 2. It is fabricated by TSMC on a 3 nm process. The die measures 243 mm², and the transistor count is listed at 17,800 million.

The cache hierarchy differs substantially. The Core 7 251E provides 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 36 MB of shared L3 cache. The Core Ultra 5 235TA provides 192 KB of L1 cache per core, 3 MB of L2 cache per core, and 24 MB of shared L3 cache. The Core 7 251E has a 12 MB advantage in shared L3, while the Core Ultra 5 235TA has a 112 KB per-core advantage in L1 and a 1 MB per-core advantage in L2.

Memory architecture also differs. The Core 7 251E supports DDR4 and DDR5 with dual-channel memory bus and a measured memory bandwidth of 89.6 GB/s. The Core Ultra 5 235TA supports DDR5 only, also dual-channel, with a memory bandwidth of 102.4 GB/s. The Core Ultra 5 235TA delivers 12.8 GB/s more bandwidth.

The integrated graphics units are different. The Core 7 251E uses UHD Graphics 770. The Core Ultra 5 235TA uses Arc Xe-LPG Graphics 24EU. The PCIe implementation differs as well: the Core 7 251E offers Gen 5 with 16 lanes from the CPU, while the Core Ultra 5 235TA offers Gen 5 with 20 lanes from the CPU.

The sockets are not interchangeable. The Core 7 251E fits Intel Socket 1700, while the Core Ultra 5 235TA fits Intel Socket 1851.

Specification Differences

The core and thread counts are the largest single difference. The Core 7 251E has 24 cores and 32 threads. The Core Ultra 5 235TA has 14 cores and 14 threads. This means the Core Ultra 5 235TA has no hyper-threading equivalent in its thread count, while the Core 7 251E adds 8 threads over its core count.

Base clocks differ slightly. The Core 7 251E runs at 2.10 GHz, and the Core Ultra 5 235TA runs at 2.20 GHz. The Core Ultra 5 235TA is 0.10 GHz higher at base. Boost clocks reverse the order. The Core 7 251E reaches 5.60 GHz, and the Core Ultra 5 235TA reaches 5.00 GHz. The Core 7 251E is 0.60 GHz higher at boost.

Both processors have a 65 W TDP. Neither has an unlocked multiplier.

Cache specifications show the per-core and shared splits clearly. The Core 7 251E has 80 KB L1 per core, 2 MB L2 per core, and 36 MB shared L3. The Core Ultra 5 235TA has 192 KB L1 per core, 3 MB L2 per core, and 24 MB shared L3.

Memory support separates the two. The Core 7 251E supports DDR4 and DDR5. The Core Ultra 5 235TA supports DDR5 only. Both use dual-channel memory buses. The Core 7 251E has 89.6 GB/s bandwidth, and the Core Ultra 5 235TA has 102.4 GB/s bandwidth. ECC memory is supported on the Core 7 251E and not on the Core Ultra 5 235TA.

PCIe connectivity differs. The Core 7 251E has Gen 5 with 16 lanes from the CPU. The Core Ultra 5 235TA has Gen 5 with 20 lanes from the CPU.

The integrated graphics differ. The Core 7 251E uses UHD Graphics 770, while the Core Ultra 5 235TA uses Arc Xe-LPG Graphics 24EU.

The process and foundry differ. The Core 7 251E uses Intel's 10 nm process with a 257 mm² die. The Core Ultra 5 235TA uses TSMC's 3 nm process with a 243 mm² die and 17,800 million transistors. The Core 7 251E does not have a transistor count listed.

The sockets differ. The Core 7 251E uses Intel Socket 1700, and the Core Ultra 5 235TA uses Intel Socket 1851.

The release dates differ. The Core 7 251E was released on 2025-01-12, and the Core Ultra 5 235TA was released on 2025-07-28. The launch MSRP for the Core 7 251E is $384, and the launch MSRP for the Core Ultra 5 235TA is $269.

The part numbers also differ: the Core 7 251E is SRQDUQ657, and the Core Ultra 5 235TA is SRWPP.

Head-to-Head Benchmarks

The database contains no recorded head-to-head benchmark results for these two processors. There are no nearest rivals listed, no wins recorded for either side, and no average benchmark scores. Both processors have an avgBenchmarkScore of 0 and a percentileVsAllCpus of 50. The comparison must therefore be drawn from the specification fields, which still reveal meaningful performance implications.

The Core 7 251E's strongest advantage is thread count. With 24 cores and 32 threads versus 14 cores and 14 threads, it has 128.6% more threads. In multi-threaded rendering, compilation, or simulation workloads, that thread advantage typically scales into substantial throughput gains. The Core 7 251E also holds a 12 MB lead in shared L3 cache (36 MB versus 24 MB), which helps workloads with large working sets that exceed the per-core caches.

The Core Ultra 5 235TA's strongest advantages are process efficiency, per-core cache, and memory bandwidth. Its 3 nm TSMC process versus the 10 nm Intel process gives it a node advantage that translates into lower power draw per transistor, though the database does not list a power figure beyond the 65 W TDP that both share. The per-core L1 cache is 192 KB versus 80 KB, a 140% advantage. The per-core L2 cache is 3 MB versus 2 MB, a 50% advantage. The memory bandwidth is 102.4 GB/s versus 89.6 GB/s, a 14.3% advantage.

The boost clock favors the Core 7 251E at 5.60 GHz versus 5.00 GHz, a 12% advantage. The base clock favors the Core Ultra 5 235TA at 2.20 GHz versus 2.10 GHz, a 4.8% advantage.

The PCIe lane count favors the Core Ultra 5 235TA at 20 Gen 5 lanes versus 16 Gen 5 lanes, a 25% advantage for expansion devices such as GPUs and NVMe storage.

The Core 7 251E supports DDR4 alongside DDR5, while the Core Ultra 5 235TA is DDR5-only. This means the Core 7 251E can be paired with older, slower memory, but it also means it can adopt DDR5 for higher bandwidth. The Core Ultra 5 235TA cannot use DDR4, so platform cost and memory choice are constrained to DDR5.

ECC memory support is exclusive to the Core 7 251E. This matters for error-sensitive workloads like large data processing or long-running compute tasks where memory corruption is a concern.

The integrated graphics differ in branding and architecture. The Core 7 251E uses UHD Graphics 770, while the Core Ultra 5 235TA uses Arc Xe-LPG Graphics 24EU. The database does not list performance metrics for either, so the comparison stops at the naming level.

Neither processor has an unlocked multiplier, so overclocking is not a point of differentiation.

Both processors are listed as Active in production status and target the desktop market segment.

The release timing shows the Core 7 251E launched earlier on 2025-01-12, and the Core Ultra 5 235TA launched later on 2025-07-28. The later release gives the Core Ultra 5 235TA a more recent design pedigree, though the database does not record any benchmark results to quantify that advantage.

The socket difference (1700 versus 1851) means the two processors are not cross-compatible with the same motherboards. Platform choice will dictate which processor is even an option.

The recorded data presents a clear split: the Core 7 251E is the multi-threaded capacity leader with more cores, more threads, more L3 cache, and a higher boost clock. The Core Ultra 5 235TA is the per-core efficiency leader with a smaller process node, larger per-core caches, higher memory bandwidth, and more PCIe lanes. The absence of benchmark scores means the actual performance gap remains unmeasured in the database, but the specification deltas outline the expected behavior in each workload category.