Intel Core i5-4300M vs Intel Core i7-2920XM Comparison

The Intel Core i5-4300M and the Intel Core i7-2920XM represent two distinct approaches to mobile computing: one a later, efficient dual-core and the other an early quad-core Extreme Edition. The benchmark data reveals a fascinating split, where the newer chip dominates in one suite while the older flagship leads in another. This analysis examines the head-to-head results, architectural trade-offs, and what the numbers mean for potential users.

Head-to-Head Benchmarks

The most striking finding is the complete divergence between Cinebench and Geekbench results. Across all five Cinebench tests, the Intel Core i7-2920XM wins decisively, with deltaPct values consistently around -28% relative to the i5-4300M. In Cinebench R15 multicore, the i7-2920XM scores 353 versus 253 for the i5-4300M, a 28.3% advantage. This pattern repeats in Cinebench R20 multicore (1471 vs 1056, -28.2%), R20 singlecore (207 vs 149, -28%), R23 multicore (3504 vs 2515, -28.2%), and R23 singlecore (494 vs 355, -28.1%). The consistency of this ~28% margin across rendering workloads suggests a fundamental throughput advantage for the i7-2920XM, likely stemming from its additional cores and threads.

However, the Geekbench results tell a completely different story. The i5-4300M wins Geekbench multicore with 1817 points versus 1452 for the i7-2920XM, a 25.1% margin. Even more dramatic is Geekbench singlecore, where the i5-4300M scores 882 against the i7-2920XM's 430 — a massive 105.1% advantage. This means the i5-4300M is more than twice as fast in that particular single-core test. The magnitude of this difference is remarkable, suggesting that the newer Haswell architecture has a significant per-core performance advantage over the older Sandy Bridge design, even when clock speeds are comparable (3.60 GHz boost for the i5-4300M versus 3.50 GHz for the i7-2920XM).

The overall win tally favors the i7-2920XM with 5 wins out of 7 head-to-head benchmarks. Yet the average benchmark scores tell a nuanced story: the i5-4300M averages 1004 points while the i7-2920XM averages 995 points, placing both at the 27th percentile of all CPUs. This near-parity in average scores, despite the lopsided individual test results, highlights how different benchmark suites weight various aspects of performance. The i7-2920XM's closest rival is the Intel Core i7-2635QM at 995 points with 0% delta, while the i5-4300M matches the Intel Core i5-2500S at 1004 points. Both processors sit in a crowded mid-range performance tier, surrounded by chips like the Intel Core i7-5600U (1005, -0.1% for the i5) and the AMD FX-9830P (1006, -0.2% for the i5).

The Verdict

From the data alone, the choice depends entirely on workload priorities. For rendering and multi-threaded content creation, the Intel Core i7-2920XM is clearly superior, offering roughly 28% better performance across all Cinebench versions. Users running Cinebench-heavy workloads would see meaningful time savings with the quad-core Extreme Edition. The i7-2920XM also carries a launch MSRP of $1096, reflecting its original flagship positioning.

Conversely, the Intel Core i5-4300M dominates in Geekbench, particularly in single-core tests where it is over 100% faster. This suggests that for general productivity, web browsing, and applications that rely heavily on single-threaded performance, the i5-4300M would provide a snappier experience. The 25.1% multicore Geekbench advantage also indicates that in certain mixed workloads, the newer architecture's efficiency may overcome the core count deficit.

The percentile ranking of 27% for both chips is telling — neither is a high-performance part by modern standards. Yet they achieve this similar standing through very different means: the i7-2920XM through brute core count and the i5-4300M through architectural efficiency. The i7-2920XM's nearest rivals include the Intel Core i3-8130U (994, 0.1% delta) and Intel Xeon W3565 (993, 0.2% delta), while the i5-4300M competes with the Intel Core i7-2630QM (1005, -0.1% delta). This positions both firmly in the lower-midrange of current CPU performance.

Architecture Differences

The architectural divide between these two processors is substantial, spanning two generations of Intel mobile designs. The i5-4300M uses the Haswell architecture on a 22 nm process node, while the i7-2920XM uses the older Sandy Bridge architecture on a 32 nm node. This process shrink from 32 nm to 22 nm allows the i5-4300M to pack 1,400 million transistors into a 118 mm² die, whereas the i7-2920XM contains 1,160 million transistors on a larger 216 mm² die. The smaller die with more transistors demonstrates Haswell's density advantage.

Core configuration differs significantly: the i5-4300M has 2 cores and 4 threads, while the i7-2920XM offers 4 cores and 8 threads. This doubles the parallel processing capability of the Extreme Edition chip. Cache hierarchies also diverge, with the i5-4300M featuring 64 KB L1 and 256 KB L2 per core, plus 3 MB shared L3. The i7-2920XM matches the per-core L1 and L2 sizes but provides 8 MB of shared L3 cache — over 2.5 times more. This larger cache may help the i7-2920XM in some workloads by holding more working data closer to the cores.

Socket compatibility separates these chips physically: the i5-4300M uses Intel Socket G3, while the i7-2920XM uses Intel Socket G2 (988B). They are not interchangeable. The i7-2920XM has an unlocked multiplier, enabling overclocking, while the i5-4300M is locked. Integrated graphics differ as well, with the i5-4300M featuring Intel HD 5000 and the i7-2920XM using Intel HD 3000. Both support DDR3 memory, but only the i7-2920XM specifies dual-channel with 25.6 GB/s bandwidth and PCIe Gen 2 with 16 lanes (CPU only). The i7-2920XM is marked as end-of-life production status, while the i5-4300M has no such designation in the data.

FAQ

Q: Which processor is faster in Cinebench R23 multicore?

A: The Intel Core i7-2920XM scores 3504 versus 2515 for the i5-4300M, making it 28.2% faster in this rendering workload.

Q: How much faster is the i5-4300M in Geekbench singlecore?

A: The i5-4300M scores 882 compared to the i7-2920XM's 430, a 105.1% advantage — more than double the performance.

Q: Do both processors have the same number of cores?

A: No. The i5-4300M has 2 cores and 4 threads, while the i7-2920XM has 4 cores and 8 threads.

Q: What are the thermal design power (TDP) ratings?

A: The i5-4300M has a TDP of 37 watts, while the i7-2920XM has a TDP of 55 watts.

Q: Do these CPUs use the same socket?

A: No. The i5-4300M uses Intel Socket G3, while the i7-2920XM uses Intel Socket G2 (988B).

Q: Which processor has more L3 cache?

A: The i7-2920XM has 8 MB shared L3 cache, while the i5-4300M has 3 MB shared L3 cache.

Where Each One Wins

The Intel Core i7-2920XM wins in all Cinebench tests, making it the clear choice for rendering, 3D modeling, video encoding, and other heavily threaded compute tasks. The consistent ~28% advantage across Cinebench R15, R20, and R23 indicates that this workload type benefits significantly from the extra cores and threads. The larger 8 MB L3 cache and 55W TDP also suggest sustained performance potential under long rendering sessions. For users running Cinebench-class software, the i7-2920XM delivers quantifiably better results.

The Intel Core i5-4300M wins in Geekbench, particularly in single-core performance where its 105.1% advantage is overwhelming. This makes it preferable for general desktop responsiveness, office applications, web browsing, and legacy software that doesn't scale across cores. The 25.1% multicore Geekbench win also indicates that in some multi-threaded scenarios, the newer architecture can outperform a chip with twice as many cores. The lower 37W TDP also suggests better thermal behavior in thin-and-light laptops. For everyday computing tasks that favor single-thread responsiveness, the i5-4300M is the better performer.

Specification Differences

The two processors differ in nearly every major specification category. Core count varies from 2 to 4, and thread count from 4 to 8. Base clocks are close at 2.60 GHz for the i5-4300M and 2.50 GHz for the i7-2920XM, with boost clocks of 3.60 GHz and 3.50 GHz respectively. TDP differs notably at 37W versus 55W. Process nodes span 22 nm for Haswell and 32 nm for Sandy Bridge. Transistor counts are 1,400 million versus 1,160 million, and die sizes are 118 mm² versus 216 mm². L3 cache is 3 MB versus 8 MB. Sockets are G3 versus G2 (988B). The i7-2920XM has an unlocked multiplier, while the i5-4300M does not. Integrated graphics are HD 5000 versus HD 3000. The i7-2920XM specifies dual-channel memory with 25.6 GB/s bandwidth and PCIe Gen 2 with 16 lanes, while these fields are not specified for the i5-4300M. Release dates differ by over two years: the i5-4300M launched on 2013-08-31, while the i7-2920XM launched on 2011-01-02. The i7-2920XM has a launch MSRP of $1096 and is marked as end-of-life, while the i5-4300M has no listed MSRP or production status.