Intel Core Ultra 7 265T vs Intel Core Ultra 9 285 Comparison

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 9 285 has 24 cores and 24 threads, while the Intel Core Ultra 7 265T has 20 cores and 20 threads. Both use a 1:1 core-to-thread ratio.

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

A: In Cinebench R23 multi-core, the Ultra 9 285 scores 48,945 versus 31,558 for the Ultra 7 265T. The recorded delta is 35.5% in favor of the Ultra 9 285.

Q: What is the difference in single-core performance?

A: The Ultra 9 285 leads in Cinebench R23 single-core with 6,909 points against 4,455 for the Ultra 7 265T. The delta is 35.5% again, matching the multi-core gap in that test.

Q: Do both processors use the same socket and process node?

A: Yes, both use Intel Socket 1851 and are built on a 3 nm process node from TSMC. They share the same Arrow Lake-S codename and architecture.

Q: Is there a difference in memory bandwidth or PCIe support?

A: No. Both support DDR5 memory with a dual-channel bus at 102.4 GB/s, and both provide Gen 5 PCIe with 20 lanes from the CPU.

Q: Which chip has more L3 cache?

A: The Ultra 9 285 has 36 MB of shared L3 cache, while the Ultra 7 265T has 30 MB. L1 and L2 cache are identical at 192 KB and 3 MB per core, respectively.

Architecture Differences

Both processors belong to the Core Ultra Series 2, using the Arrow Lake architecture on a 3 nm TSMC process. The transistor count is identical at 17,800 million, and the die size is the same at 243 mm². The core configuration differs: the Ultra 7 265T ships with 20 cores and 20 threads, while the Ultra 9 285 steps up to 24 cores and 24 threads. Since neither chip uses simultaneous multithreading, the extra 4 cores translate directly into 4 additional threads.

Base and boost clocks separate the two further. The Ultra 7 265T starts at 1.50 GHz and boosts to 5.30 GHz. The Ultra 9 285 starts higher at 2.50 GHz and reaches 5.60 GHz at boost. This 1.0 GHz base-clock advantage and 0.30 GHz boost advantage contribute to the Ultra 9 285's consistent lead across single-threaded workloads.

Cache hierarchy is nearly identical per core, but the shared L3 pool grows from 30 MB on the Ultra 7 265T to 36 MB on the Ultra 9 285. Both feature the same Arc Xe-LPG Graphics with 64 execution units, the same dual-channel DDR5 memory controller at 102.4 GB/s, and the same Gen 5 PCIe interface with 20 CPU lanes.

ECC memory support is a point of divergence. The Ultra 9 285 lists ECC memory as enabled, while the Ultra 7 265T does not. Both processors are locked (multiplier not unlocked), target the desktop market segment, and remain in active production. The power envelope differs notably: the Ultra 7 265T has a 35 W TDP, whereas the Ultra 9 285 draws 65 W.

The Verdict

The benchmark data is unambiguous. The Intel Core Ultra 9 285 wins all 17 recorded head-to-head comparisons, with zero wins for the Ultra 7 265T. The average benchmark score for the Ultra 9 285 is 75,488, placing it at the 95th percentile of all CPUs in the database. The Ultra 7 265T averages 47,697 points, sitting at the 90th percentile.

The Ultra 9 285's nearest rivals include the AMD EPYC 8224P at 75,582 (0.1% ahead), the AMD EPYC 4545P at 75,373 (0.2% behind), and the AMD Ryzen 7 PRO 9755X3D at 75,716 (0.3% behind). The Ultra 7 265T sits among different competition: the AMD Ryzen 9 PRO 5945 at 47,527 (0.4% ahead), the AMD Ryzen 9 7900X3D at 47,908 (0.4% behind), and the AMD Ryzen 9 3900 at 47,918 (0.5% behind).

For users who need maximum throughput in multi-threaded rendering, encryption, compression, or physics simulation, the data points directly to the Ultra 9 285. Its 35.5% lead in Cinebench multi-core tests and 34.5% lead in PassMark multi-thread represent substantial margins. The Ultra 7 265T, with its 35 W TDP, serves a different role: it delivers the same architecture and per-core cache structure at a much lower power envelope. The recorded single-thread gap is smaller at 11.1% in PassMark, which narrows the practical difference for lightly threaded tasks.

Specification Differences

The two processors differ in the following recorded specifications:

• Cores: 20 (Ultra 7 265T) versus 24 (Ultra 9 285)
• Threads: 20 versus 24
• Base clock: 1.50 GHz versus 2.50 GHz
• Boost clock: 5.30 GHz versus 5.60 GHz
• TDP: 35 W versus 65 W
• L3 cache: 30 MB shared versus 36 MB shared
• ECC memory: false versus true
• Release date: 2025-01-06 versus 2024-12-31
• Launch MSRP: $384 versus $579
• Part number: SRQCS versus SRQD4

The following specifications are identical: series, manufacturer, socket, architecture, codename, process node, foundry, transistor count, die size, L1 and L2 cache per core, memory support, memory bus, memory bandwidth, PCIe generation and lane count, integrated graphics, market segment, production status, and multiplier unlock status.

Head-to-Head Benchmarks

The Cinebench suite shows a consistent 35.5% advantage for the Ultra 9 285 across all six tests. R15 multi-core records 4,933 versus 3,180, and R15 single-core records 696 versus 449. R20 multi-core reaches 20,556 against 13,254, while R20 single-core hits 2,901 versus 1,871. R23 multi-core produces 48,945 versus 31,558, and R23 single-core yields 6,909 versus 4,455.

PassMark results show a wider range of deltas. The smallest gap appears in single-threaded performance: 4,881 versus 4,338, a difference of 11.1%. The largest gap is in random string sorting, where the Ultra 9 285 scores 73,651 against 44,400 for the Ultra 7 265T, a 39.7% delta. Data compression shows a 38.5% gap (602,121 versus 370,158), and data encryption shows 36.8% (46,949 versus 29,687).

Extended instructions follow at 36.9% (45,357 versus 28,609), integer math at 36.3% (164,869 versus 104,943), and floating-point math at 33.4% (194,988 versus 129,817). Physics simulation records 3,598 versus 2,391, a 33.5% gap. Prime number finding shows the second-smallest delta at 29.8% (459 versus 322). PassMark multi-thread completes the set at 34.5% (56,602 versus 37,084).

Where Each One Wins

The Ultra 9 285 dominates every recorded workload category. Its largest margins appear in memory-intensive sorting tasks, where the additional L3 cache and higher clocks provide a 39.7% advantage. Compression and encryption workloads also show strong gains, indicating that the extra 4 cores and 6 MB of L3 cache translate directly into throughput for data-transformation tasks.

The Ultra 7 265T's closest relative performance comes in single-threaded PassMark testing, where the gap narrows to 11.1%. This suggests that for applications relying on a single core, the power-efficient chip remains competitive. The 35 W TDP makes it suitable for systems where thermal and power constraints matter more than absolute performance.

The Ultra 9 285's 95th percentile ranking places it among the top desktop processors in the database, with rival comparisons showing it trading positions with server-class EPYC parts. The Ultra 7 265T, at the 90th percentile, still outperforms many desktop CPUs but sits in a different performance class entirely. Its nearest rivals are mainstream Ryzen 9 parts, not server processors.

For workloads that scale with core count and cache, such as multi-threaded rendering, video encoding, and scientific computing, the Ultra 9 285 is the clear choice based on the recorded data. For single-threaded responsiveness and lower-power operation, the Ultra 7 265T offers a closer contest, though it still trails in every measured benchmark. The data does not show any workload where the Ultra 7 265T beats the Ultra 9 285.