Intel Core i7-2600S

The Intel Core i7-2600S is a 4-core, 8-thread desktop processor from the Sandy Bridge generation, built on Intel's 32nm process. It carries a 65W TDP, a base clock of 2.80 GHz, and a boost of 3.80 GHz. In the benchmark database, it sits at the 33rd percentile of all CPUs, with an average score of 1147. That places it in a tight cluster of rivals: the AMD Opteron 4284, Opteron 4332 HE, Intel Core i7-3632QM, and Intel Core i5-4430 all fall within 0.3% of its average score.

Single-Thread vs Multi-Thread Behavior

The most revealing split in the i7-2600S's benchmark results is the gap between its single-core and multi-core scores. In Cinebench R23, the processor scores 555 in single-core and 3937 in multi-core. That multi-core figure is roughly seven times the single-core number, a scaling ratio that suggests the eight threads are being utilized effectively in a heavily parallel workload. The Geekbench results tell a different story: 578 single-core versus 1765 multi-core, a ratio of about three to one. The discrepancy between these two ratios highlights how the workload shapes the CPU's behavior — Cinebench R23 is designed to exploit all available threads, while Geekbench's multi-core test is more balanced and memory-sensitive.

The absolute single-core scores are modest. A Cinebench R23 single-core result of 555 indicates that per-core performance is limited, even by the standards of the early 2010s. The boost clock of 3.80 GHz is the peak for a single core, but the base clock of 2.80 GHz is the sustained frequency under load. For single-threaded applications — legacy productivity software, older games, or lightly threaded utilities — the i7-2600S will rely on that 3.80 GHz ceiling, and the data suggests it will not break any speed records. The multi-core scores, however, show that the processor can deliver a respectable amount of throughput when all eight threads are active, as long as the workload scales well.

The R15 and R20 results reinforce this pattern. R15 multi-core is 396 with single-core at 55; R20 multi-core is 1653 with single-core at 233. In each case, the multi-core score is a multiple of the single-core score, but the absolute single-core numbers remain low. This split implies that the i7-2600S is best suited for parallel tasks where the thread count can compensate for the lack of per-core horsepower. For anything that depends on fast single-thread execution, the CPU will feel dated.

How It Compares

Against the AMD Opteron 4284, which averages 1146, the i7-2600S is 0.1% ahead. This is a statistical tie; the two processors are effectively interchangeable in aggregate benchmark performance. The Opteron is a different architectural family, but the data shows no meaningful advantage either way.

The AMD Opteron 4332 HE averages 1144, and the i7-2600S leads it by 0.3%. Again, the difference is negligible. The "HE" suffix in the rival's name suggests a low-power variant, but the benchmark scores place it in the same performance band as the i7-2600S.

The Intel Core i7-3632QM averages 1150, and the i7-2600S trails it by 0.3%. This is the only rival that edges out the i7-2600S, but the margin is within a rounding error. The i7-3632QM is a mobile processor, yet its aggregate score is essentially identical.

The Intel Core i5-4430 also averages 1144, and the i7-2600S is 0.3% ahead. This rival is a desktop part from a later generation, but the benchmark data shows no meaningful separation. The i7-2600S holds its own against all four rivals, with deltas ranging from -0.3% to +0.3%.

Benchmark Performance

The average benchmark score of 1147 places the i7-2600S at the 33rd percentile of all CPUs in the database. That means roughly two-thirds of processors outperform it, which is expected for a chip released in early 2011 and now marked end-of-life. The aggregate score is the arithmetic mean across the listed tests, which include Cinebench R15, R20, R23, and Geekbench.

Looking at the individual scores, the Cinebench R23 multi-core result of 3937 is the highest multi-threaded number in the set, while the single-core 555 is the lowest single-threaded score. The R20 multi-core of 1653 and single-core of 233 follow a similar pattern. The R15 multi-core of 396 and single-core of 55 are consistent with the other Cinebench versions. The Geekbench multi-core of 1765 and single-core of 578 show a smaller ratio, indicating that Geekbench's multi-core test does not scale as aggressively as Cinebench.

The percentile ranking of 33 is a sobering indicator. It tells us that the i7-2600S is not a high-performance part by modern standards, but the narrow deltas to its nearest rivals — all within 0.3% — show that it sits in a crowded mid-to-low tier. The CPU's performance is highly dependent on the workload: in multi-threaded rendering tasks it can approach the scores of its rivals, but in single-threaded tasks it is clearly limited.

FAQ

Q: What is the TDP of the Intel Core i7-2600S?

A: The TDP is 65 watts.

Q: Does the i7-2600S support ECC memory?

A: No, ECC memory is not supported.

Q: What socket does the i7-2600S use?

A: It uses the Intel Socket 1155.

Q: What integrated graphics does the i7-2600S include?

A: It includes Intel HD 2000.

Q: Is the multiplier unlocked on the i7-2600S?

A: No, the multiplier is locked.

Q: What memory type and channel configuration does it support?

A: It supports DDR3 memory in a dual-channel configuration.

Who Should Consider It

Given the benchmark data, the i7-2600S is not a candidate for demanding modern applications. The single-core Cinebench R23 score of 555 is low, meaning any software that relies on one or two fast cores will likely struggle. For office productivity, web browsing, and light document editing, the processor may be adequate, but those tasks are not heavily threaded, so the low single-core performance will be the bottleneck. The integrated Intel HD 2000 graphics can drive a display without a discrete GPU, which could make it suitable for a basic desktop or a media playback machine that does not require high frame rates.

On the multi-threaded side, the R23 multi-core score of 3937 suggests that the i7-2600S can handle some parallel workloads, such as video transcoding or 3D rendering, but at a level far below what modern CPUs offer. The 65W TDP and the 32nm process node indicate a power-efficient chip, which might appeal to users building a low-power system. However, the 33rd percentile ranking means that almost any contemporary processor would outperform it. For users with legacy software that does not require high performance, the i7-2600S could still function, but the data does not support recommending it for anything beyond light, single-threaded tasks or modest multi-threaded batch jobs.

Platform and Compatibility

The i7-2600S is built for the Intel Socket 1155 platform, which supports DDR3 memory in a dual-channel configuration. The memory bus is dual-channel, and the processor does not support ECC. The PCIe interface is Gen 3 with 16 lanes available from the CPU only, which is typical for a desktop part of that era. The integrated graphics is Intel HD 2000, which can output to a display but offers no gaming capability beyond basic 2D rendering.

The processor's production status is end-of-life, and it was released on January 8, 2011. The process node is 32nm, with 1,160 million transistors on a 216 mm² die. The cache hierarchy includes 64 KB of L1 per core, 256 KB of L2 per core, and 8 MB of shared L3. The part number is SR00E. Since the socket is LGA1155, any upgrade would require a motherboard change, as the platform is no longer current. The lack of ECC support and the older DDR3 standard further limit its appeal for server or workstation use.

Power and Thermals

The 65W TDP is a key characteristic of the i7-2600S. This is a low power envelope, especially for a quad-core processor with eight threads. The base clock of 2.80 GHz and boost of 3.80 GHz are achieved within that 65W limit, which suggests that the chip is well-binned for efficiency. A 65W TDP implies that a modest cooling solution — a stock cooler or a low-profile air cooler — would be sufficient to keep temperatures in check. The 32nm process node is relatively old, but the power draw is not excessive.

The thermal design implies that the i7-2600S could fit into small form factor builds without requiring elaborate cooling, though the platform's other components (motherboard, memory) may dictate otherwise. The data does not include any thermal throttling behavior, but the low TDP suggests that sustained multi-threaded loads would not push the chip into extreme heat. For users who prioritize low power consumption and are willing to accept the performance trade-offs, the i7-2600S offers a balanced power-to-performance profile, as long as the workload is not single-thread-bound.