Intel Arc G3 vs Qualcomm Snapdragon X2E-78-100 Comparison

FAQ

Q: What are the core and thread counts for the Intel Arc G3 and Qualcomm Snapdragon X2E-78-100?

A: The Intel Arc G3 has 14 cores and 14 threads, while the Qualcomm Snapdragon X2E-78-100 has 12 cores and 12 threads.

Q: How do the base clock speeds compare between the two processors?

A: The Intel Arc G3 has a base clock of 1.90 GHz, whereas the Qualcomm Snapdragon X2E-78-100 runs at a significantly higher base clock of 4.00 GHz.

Q: What is the process node for each chip?

A: Both processors are built on a 3 nm process node, but the Intel Arc G3 is fabricated by Intel, while the Qualcomm Snapdragon X2E-78-100 is fabricated by TSMC.

Q: Which processor has a larger L3 cache?

A: The Intel Arc G3 includes an 18 MB shared L3 cache, while the Qualcomm Snapdragon X2E-78-100 does not have a listed L3 cache in the database.

Q: What integrated graphics are present on each chip?

A: The Intel Arc G3 integrates Arc B370 graphics, and the Qualcomm Snapdragon X2E-78-100 integrates Adreno X2-85 graphics.

Q: Do both processors support the same memory type?

A: Yes, both the Intel Arc G3 and Qualcomm Snapdragon X2E-78-100 support LPDDR5X memory with a dual-channel memory bus.

Architecture Differences

The Intel Arc G3 and Qualcomm Snapdragon X2E-78-100 represent two distinct architectural approaches within the mobile segment. The Intel part, codenamed Panther Lake, belongs to the Arc G3 generation and is built on a 3 nm process at Intel's own foundry. The Qualcomm chip, codenamed Glymur, sits in the Snapdragon X2 (Elite) generation and uses a 3 nm process at TSMC. Both are active production parts aimed at mobile devices, but their internal designs diverge substantially.

Core configuration is a primary differentiator. The Intel Arc G3 fields 14 cores with 14 threads, a 1:1 core-to-thread ratio that implies no simultaneous multithreading. The Qualcomm Snapdragon X2E-78-100 offers 12 cores and 12 threads, also without extra threads per core. The Intel part leads by two cores and two threads, which can translate into higher raw parallel throughput in workloads that scale with core count.

Clock behavior separates the two more sharply. The Intel Arc G3 has a modest base clock of 1.90 GHz but a boost clock of 4.60 GHz, indicating a wide dynamic range where the chip can ramp aggressively under load. The Qualcomm Snapdragon X2E-78-100 lists a base clock of 4.00 GHz with no boost clock figure recorded in the database. That high base clock suggests the Qualcomm design relies on sustained high frequency rather than boosting from a low idle state.

Cache hierarchies also differ structurally. The Intel Arc G3 uses 192 KB of L1 cache per core, 2.5 MB of L2 cache per core, and an 18 MB shared L3 cache. The Qualcomm Snapdragon X2E-78-100 uses a larger 288 KB of L1 cache per core, a 16 MB shared L2 cache, and no listed L3 cache. The Intel design spreads L2 across individual cores, while Qualcomm pools 16 MB of L2 across the entire chip. This changes how data locality and inter-core communication are handled, with the shared L2 potentially reducing latency for frequently accessed shared data.

The PCIe implementation differs as well. The Intel Arc G3 supports Gen 5 with 4 lanes for CPU-only connectivity. The Qualcomm Snapdragon X2E-78-100 supports Gen 5 with 12 lanes, triple the lane count. That gives the Qualcomm part more headroom for attached devices such as high-speed storage or discrete accelerators.

Die size is recorded only for the Qualcomm part at 220 mm², while the Intel die size is not listed. Both chips lack ECC memory support and have locked multipliers, meaning no overclocking via multiplier adjustment. The Intel part has a part number of SA4QZ, and the Qualcomm part is X2E78100.

Head-to-Head Benchmarks

The database records no direct head-to-head benchmark entries between the Intel Arc G3 and Qualcomm Snapdragon X2E-78-100. Both processors also have zero individual benchmark scores and an identical percentile rank of 50 against all CPUs. With no measured performance data available, the comparison rests entirely on architectural specifications rather than empirical test results.

Core count favors the Intel Arc G3. Fourteen cores against twelve gives the Intel chip a 16.7% advantage in raw core count, which typically benefits highly parallel workloads such as video encoding, compilation, or scientific simulations that can distribute work evenly across physical cores. The thread counts mirror the core counts, so no hyperthreading-style advantage exists for either side.

Clock speed strongly favors the Qualcomm Snapdragon X2E-78-100 at base frequency. The 4.00 GHz base clock is more than double the Intel's 1.90 GHz base clock. Even accounting for the Intel part's boost capability up to 4.60 GHz, the Qualcomm chip sustains a high frequency without requiring boost headroom. In lightly threaded tasks where a single core dominates, the Qualcomm part's higher base frequency can deliver lower latency and faster completion, provided the architectures have comparable instructions-per-cycle efficiency.

Memory bandwidth gives the Qualcomm part a narrow edge. The Snapdragon X2E-78-100 records 152.4 GB/s, while the Intel Arc G3 records 136.5 GB/s. That is an 11.6% bandwidth advantage for Qualcomm, which matters for memory-bound workloads that saturate available bandwidth, such as large matrix operations or data streaming.

L3 cache presence is unique to the Intel part. The 18 MB shared L3 cache provides a large staging area for repeated data access, which can reduce memory traffic and improve hit rates in workloads with moderate working sets. The Qualcomm part instead relies on its 16 MB shared L2 cache, which is smaller than the Intel L3 but sits closer to the cores, potentially offering lower access latency for data that fits within it.

PCIe lane count strongly favors Qualcomm. Twelve Gen 5 lanes versus four Gen 5 lanes means the Qualcomm chip can connect to more devices simultaneously or support wider interfaces. For mobile platforms with multiple NVMe drives, high-bandwidth capture cards, or external GPU enclosures, the additional lanes reduce contention and enable higher aggregate I/O throughput.

Specification Differences

| Specification | Intel Arc G3 | Qualcomm Snapdragon X2E-78-100 |

| --- | --- | --- |

| Cores | 14 | 12 |

| Threads | 14 | 12 |

| Base Clock | 1.90 GHz | 4.00 GHz |

| Boost Clock | 4.60 GHz | Not listed |

| TDP | 25 W | Not listed |

| Socket | Intel BGA 2540 | Qualcomm BGA 2343 |

| Codename | Panther Lake | Glymur |

| Generation | Arc G3 (Panther Lake) | Snapdragon X2 (Elite) |

| Foundry | Intel | TSMC |

| Die Size | Not listed | 220 mm² |

| L1 Cache | 192 KB (per core) | 288 KB (per core) |

| L2 Cache | 2.5 MB (per core) | 16 MB (shared) |

| L3 Cache | 18 MB (shared) | Not listed |

| Memory Bandwidth | 136.5 GB/s | 152.4 GB/s |

| PCIe | Gen 5, 4 Lanes (CPU only) | Gen 5, 12 Lanes (CPU only) |

| Integrated Graphics | Arc B370 | Adreno X2-85 |

| Release Date | 2026-05-27 | 2026-04-05 |

| Part Number | SA4QZ | X2E78100 |

The table above captures all fields where the two processors differ. Fields they share include LPDDR5X memory support, dual-channel memory bus, no ECC memory, mobile market segment, active production status, 3 nm process node, and locked multipliers.

Where Each One Wins

The Intel Arc G3 wins in scenarios that demand high core counts and deep cache hierarchies. Fourteen cores provide more parallel execution capacity than the Qualcomm's twelve. The combination of 2.5 MB L2 per core and 18 MB shared L3 gives Intel a multi-level caching strategy that can retain large working sets closer to the cores. Workloads such as multi-threaded rendering, software compilation with many translation units, and database query processing can exploit the additional cores and the large L3 to reduce repeated memory fetches.

The Intel part also has a defined TDP of 25 W, which gives platform designers a known power envelope for thermal and battery sizing. The boost clock of 4.60 GHz indicates that single-threaded bursts can reach high frequencies when thermal and power headroom allow, even though the base clock is low.

The Qualcomm Snapdragon X2E-78-100 wins in scenarios where sustained high frequency and memory bandwidth are critical. The 4.00 GHz base clock means the chip operates at high speed without relying on boost states. For interactive workloads with spiky single-thread demands, such as web browsing, document editing, or lightweight coding, the higher base clock can reduce perceived latency. The 152.4 GB/s memory bandwidth supports data-intensive tasks that move large buffers, including media processing pipelines and real-time data analytics.

The Qualcomm part's 12 PCIe Gen 5 lanes provide substantial I/O expansion capability. Platforms that connect multiple high-speed peripherals, such as docking stations with several displays and storage devices, benefit from the wider lane allocation. The 220 mm² die size, while large, houses the integrated Adreno X2-85 graphics and the 16 MB shared L2 cache.

The Qualcomm chip also has a larger L1 cache per core at 288 KB versus 192 KB, which reduces the frequency of L1 misses for latency-sensitive loops. The shared L2 design can also improve cache coherence for workloads where multiple cores access the same data structures.

The Verdict

The recorded data shows two mobile processors with complementary strengths. The Intel Arc G3 delivers more cores, a larger aggregate cache footprint, and a defined power budget. The Qualcomm Snapdragon X2E-78-100 delivers a much higher base clock, greater memory bandwidth, more PCIe lanes, and a larger die.

For workloads that scale with core count and benefit from a large shared L3 cache, the Intel Arc G3 is the stronger choice based on specifications. The 14-core configuration with 18 MB L3 can keep more data on-chip and distribute parallel tasks across more execution units.

For workloads that depend on sustained high clock speed and high memory throughput, the Qualcomm Snapdragon X2E-78-100 holds the advantage. Its 4.00 GHz base clock and 152.4 GB/s memory bandwidth exceed the Intel part's figures, and the 12 PCIe Gen 5 lanes offer superior I/O connectivity.

Neither processor has recorded benchmark scores in the database, so the percentile rank of 50 for both reflects only that they sit at the midpoint of all CPUs, not any direct performance comparison. The absence of head-to-head benchmark data means the selection between these two parts should be driven by the specific workload profile and platform requirements. A user prioritizing parallel compute and cache capacity would lean toward Intel, while one prioritizing frequency, bandwidth, and I/O expansion would lean toward Qualcomm. The data does not declare an overall winner, as the two chips target different performance characteristics within the mobile segment.