Intel Core i3-4370T vs Intel Core i7-965 Comparison

Head-to-Head Benchmarks

The recorded data shows a clean sweep for the Intel Core i7-965 across every Cinebench test in the comparison, but the margins are remarkably narrow for a processor with such different specifications. In the Cinebench R15 multi-core test, the i7-965 scores 290 against 287 for the i3-4370T, a delta of just 1%. The pattern repeats in Cinebench R20 multi-core where the i7-965 posts 1212 versus 1199, again a 1.1% advantage. These are not the kind of gaps one would expect from a four-core, eight-thread part against a two-core, four-thread chip.

The single-core results are even tighter. In Cinebench R20 single-core, the i7-965 scores 170 while the i3-4370T scores 169, a 0.6% margin. The Cinebench R23 single-core test shows 407 versus 403, a 1% difference. The i7-965 wins every head-to-head benchmark, but the i3-4370T is never more than 1.1% behind. This suggests that the newer Haswell architecture of the i3-4370T is doing substantial work to close the gap against the older Nehalem design with its extra cores and threads.

The average benchmark score in the database tells a similar story. The i7-965 averages 993 points, placing it in the 27th percentile of all CPUs. The i3-4370T averages 983 points, sitting just one point lower in the 26th percentile. For context, the nearest rivals to the i7-965 include the Intel Core i7-960 and AMD Phenom II X6 1065T, both at 993 points with 0% delta, and the Intel Core i3-8130U at 994 points with a -0.1% delta. The i3-4370T's nearest rivals include the Intel Xeon X3470 at 983 points, the Intel Core i3-4130T at 984 points, and the Intel Core i7-875K at 984 points.

What the data implies is that the i7-965's victory is real but marginal. The 1.1% delta in multi-core tests is within the range of run-to-run variation one might expect in benchmark measurements. The i3-4370T, despite having half the cores and half the threads, manages to stay competitive because its 22 nm process node and Haswell architecture allow for higher instructions per clock than the 45 nm Nehalem design.

Where Each One Wins

The i7-965 wins in every recorded benchmark, so the question becomes not whether it wins, but where its advantages matter most. The largest margin comes in the Cinebench R20 multi-core test, where the i7-965 leads by 1.1%. The same 1.1% margin appears in Cinebench R23 multi-core. These are the tests that stress parallel execution, and the i7-965's eight threads give it a slight edge over the i3-4370T's four threads.

The i3-4370T, while losing all five head-to-head tests, shows its strength in efficiency and single-thread capability. Its base clock of 3.30 GHz is higher than the i7-965's base clock of 3.20 GHz, and it does this at a TDP of 35 watts versus 130 watts. The data does not include a boost clock for the i3-4370T, meaning it runs at a fixed 3.30 GHz, while the i7-965 can boost from 3.20 GHz to 3.47 GHz. The single-core scores are nearly identical, which means the i3-4370T achieves parity with the i7-965 using two fewer cores and no boost mechanism.

For workloads that are heavily parallel, the i7-965 retains a slight edge. For workloads that are latency-sensitive or single-threaded, the two processors are effectively equal, with the i3-4370T consuming far less power. The i3-4370T also brings integrated graphics in the form of Intel HD 4600, which the i7-965 lacks entirely. This makes the i3-4370T a more complete package for systems that do not use a discrete graphics card.

FAQ

Q: Which processor wins the most benchmarks in this comparison?

A: The Intel Core i7-965 wins all five recorded head-to-head benchmarks, including Cinebench R15 multi-core (290 vs 287), Cinebench R20 multi-core (1212 vs 1199), Cinebench R20 single-core (170 vs 169), Cinebench R23 multi-core (2886 vs 2856), and Cinebench R23 single-core (407 vs 403).

Q: How close are the two processors in average benchmark scores?

A: The i7-965 has an average benchmark score of 993, while the i3-4370T has an average of 983. The i7-965 sits in the 27th percentile of all CPUs, and the i3-4370T sits in the 26th percentile.

Q: What is the largest performance gap between the two?

A: The largest gap is 1.1%, appearing in both Cinebench R20 multi-core (1212 vs 1199) and Cinebench R23 multi-core (2886 vs 2856). The smallest gap is 0.6% in Cinebench R20 single-core (170 vs 169).

Q: Does the i3-4370T have any advantages over the i7-965?

A: Yes. The i3-4370T has a much lower TDP of 35 watts versus 130 watts, a higher base clock of 3.30 GHz versus 3.20 GHz, and it includes integrated graphics (Intel HD 4600) while the i7-965 has none. It also supports PCIe Gen 3 with 16 lanes, while the i7-965 is limited to PCIe Gen 2.

Q: Which processor has better single-core performance?

A: The i7-965 wins both single-core tests, but by very narrow margins. In Cinebench R20 single-core, it scores 170 against 169 (0.6% delta). In Cinebench R23 single-core, it scores 407 against 403 (1% delta).

Q: How do the nearest rivals compare to each processor?

A: The i7-965's nearest rivals are the Intel Core i7-960 and AMD Phenom II X6 1065T, both with an average score of 993 and 0% delta. The i3-4370T's nearest rivals include the Intel Xeon X3470 at 983 points and the Intel Core i3-4130T at 984 points, both with deltas of 0% and -0.1% respectively.

Specification Differences

The two processors differ in nearly every specification category. The i7-965 has 4 cores and 8 threads, while the i3-4370T has 2 cores and 4 threads. The base clocks are close, with the i7-965 at 3.20 GHz and the i3-4370T at 3.30 GHz, but the i7-965 adds a boost clock of 3.47 GHz while the i3-4370T has no boost capability. The TDP difference is substantial: 130 watts for the i7-965 versus 35 watts for the i3-4370T.

The sockets are incompatible. The i7-965 uses Intel Socket 1366, while the i3-4370T uses Intel Socket 1150. The memory support also differs: both support DDR3, but the i7-965 uses triple-channel memory while the i3-4370T uses dual-channel. The i3-4370T explicitly lists a memory bandwidth of 25.6 GB/s, while the i7-965 does not list a bandwidth figure in the database.

PCIe support differs as well. The i7-965 is limited to PCIe Gen 2, while the i3-4370T supports PCIe Gen 3 with 16 lanes (CPU only). The i3-4370T includes integrated graphics (Intel HD 4600), while the i7-965 has no integrated graphics. The multiplier is unlocked on the i7-965, but locked on the i3-4370T. The i7-965 was released in 2008, while the i3-4370T was released in 2015. The i3-4370T has a launch MSRP of $138. Both processors are end-of-life and neither supports ECC memory.

Architecture Differences

The architectural divide here is generational. The i7-965 is built on the Nehalem architecture with the codename Bloomfield, using a 45 nm process node. It contains 731 million transistors on a die size of 263 mm². The i3-4370T is built on the Haswell architecture with the codename Haswell, using a 22 nm process node. It contains 1,400 million transistors on a smaller die size of 177 mm². The transistor count is nearly double on the newer chip, packed into a smaller area, which explains the efficiency gains.

Cache configurations differ as well. Both have 64 KB of L1 cache per core and 256 KB of L2 cache per core, but the L3 cache is 8 MB shared on the i7-965 versus 4 MB shared on the i3-4370T. The i7-965's larger L3 cache partially compensates for its older architecture. The i3-4370T's smaller cache is balanced by the more efficient Haswell design.

The memory bus is another architectural difference. The i7-965 uses triple-channel memory, which provides more memory bandwidth potential in theory, while the i3-4370T uses dual-channel memory with a measured 25.6 GB/s. The i7-965's memory bandwidth is not listed in the database, but the triple-channel configuration suggests it was designed for higher throughput in its era.

The i7-965 belongs to the Core i7 Extreme generation, which explains its unlocked multiplier and its positioning as an enthusiast part. The i3-4370T belongs to the standard Core i3 generation, with a locked multiplier and a focus on efficiency. The integrated graphics on the i3-4370T (Intel HD 4600) represent a fundamental architectural addition that the older Nehalem design simply does not have.

The Verdict

The benchmark data shows the i7-965 as the faster processor in every recorded test, but the margins are so thin that the choice between these two should come down to use case rather than raw performance. The i7-965 wins Cinebench R23 multi-core with 2886 points against 2856, a 1.1% lead. This makes it the choice for anyone who prioritizes multi-threaded workloads and can tolerate the 130 watt TDP. Its unlocked multiplier also appeals to those who want to push clock speeds beyond the stock 3.47 GHz boost.

The i3-4370T, despite losing every benchmark, is arguably the more practical processor for most systems. Its 35 watt TDP is a fraction of the i7-965's 130 watts, making it suitable for compact or power-conscious builds. It includes integrated graphics, which the i7-965 lacks, meaning a system built around the i3-4370T does not require a discrete GPU for basic display output. Its PCIe Gen 3 support with 16 lanes also provides more modern connectivity for peripherals and storage.

The data suggests that for a user who already has a discrete graphics card and values maximum multi-threaded performance, the i7-965 is the correct pick, despite its age and higher power draw. For a user building a new system from scratch, the i3-4370T offers nearly identical single-core performance, within 1% in Cinebench R23 single-core, while consuming 73% less power and including integrated graphics. The 27th versus 26th percentile rankings confirm that these are closely matched processors in the overall CPU landscape, with the i7-965's two extra cores and four extra threads barely compensating for the architectural efficiency of the newer Haswell design.