CPU Comparison

The Intel Core i3-7320 and AMD Opteron 6212 represent two fundamentally different eras and design philosophies in desktop versus server computing. The data shows a decisive victory for the Intel part across every benchmark test, despite the Opteron having four times the physical cores. The Core i3-7320, a Kaby Lake desktop processor, wins all five head-to-head comparisons with deltas ranging from 20% to 20.6%, while the Opteron 6212, a Bulldozer-based server chip, trails in every single metric. This analysis will break down the benchmark results, architectural differences, and specifications that explain this outcome.

FAQ

Q: Which processor wins the Cinebench R23 multi-core test?

A: The Intel Core i3-7320 wins with a score of 4057, which is 20.1% ahead of the AMD Opteron 6212’s score of 3377. This is notable because the Opteron has 8 cores while the i3 has only 2 cores and 4 threads.

Q: How does single-core performance compare between the two?

A: The Intel Core i3-7320 leads in every single-core test. In Cinebench R23 single-core, it scores 572 versus the Opteron’s 476, a 20.2% advantage. In Cinebench R20 single-core, the i3 scores 240 against 199, a 20.6% delta.

Q: What are the average benchmark scores for each CPU?

A: The Intel Core i3-7320 has an average benchmark score of 1173, while the AMD Opteron 6212 averages 1162. Both processors sit at the 33rd percentile among all CPUs, meaning they are placed near the lower-middle of the overall performance distribution.

Q: Which CPU supports ECC memory?

A: The AMD Opteron 6212 supports ECC memory, while the Intel Core i3-7320 does not. This makes the Opteron more suitable for error-correcting memory workloads, despite its lower benchmark performance.

Q: What is the production status of each processor?

A: The Intel Core i3-7320 is listed as "Active" in production status, while the AMD Opteron 6212 is marked as "End-of-life." The Opteron was released in November 2011, whereas the i3 was released in January 2017.

Q: How many benchmark wins does each processor have in the head-to-head data?

A: The Intel Core i3-7320 wins 5 out of 5 head-to-head benchmarks. The AMD Opteron 6212 has zero wins in the comparison data.

The Verdict

The verdict from the benchmark data is unambiguous: the Intel Core i3-7320 is the superior processor in every measured workload. For users prioritizing raw compute performance in Cinebench tests, regardless of core count, the i3-7320 is the clear choice. It delivers a 20% or greater advantage in all five head-to-head tests, including both multi-core and single-core scenarios. The data shows the i3-7320’s high base clock of 4.10 GHz and modern Kaby Lake architecture overcome the Opteron’s 8-core design, which runs at a base clock of 2.60 GHz and a boost clock of 3.20 GHz.

However, the choice is not purely about benchmark scores. The AMD Opteron 6212 targets a different market segment: Server/Workstation. It supports ECC memory, has a quad-channel memory bus with 51.2 GB/s bandwidth, and uses the AMD Socket G34 platform. The Intel part is a Desktop chip with dual-channel DDR4 memory support and 38.4 GB/s bandwidth. If the application requires error-correcting memory or massive memory bandwidth for server duties, the Opteron 6212 remains relevant despite its lower scores. For general desktop compute, gaming, or single-threaded tasks, the data strongly favors the Intel Core i3-7320. The i3 also has integrated graphics (Intel HD 630), while the Opteron has none, which may reduce system cost and complexity for basic builds.

Head-to-Head Benchmarks

The head-to-head data shows a consistent pattern of Intel dominance across all Cinebench versions. In Cinebench R15 multi-core, the Intel Core i3-7320 scores 408 against the AMD Opteron 6212’s 340, yielding a 20% delta. This is the smallest margin of victory in the dataset, yet still a significant lead. Moving to Cinebench R20 multi-core, the i3 scores 1703 versus 1418, a 20.1% advantage. The scores scale differently between the two chips: the i3’s R20 multi-core score is roughly 4.2 times its R15 score, while the Opteron’s is about 4.2 times as well, indicating similar scaling behavior but a persistent gap.

Single-core results amplify the Intel advantage further. In Cinebench R20 single-core, the i3-7320 scores 240, which is 20.6% higher than the Opteron’s 199. In Cinebench R23 single-core, the i3 scores 572 versus 476, a 20.2% delta. The i3’s single-core scores are disproportionately strong relative to its multi-core, which is a hallmark of high clock speed and efficient core design. The Opteron’s single-core scores are its weakest relative performance, indicating that its Bulldozer architecture and lower clock speeds struggle with latency-sensitive tasks.

The most striking result is Cinebench R23 multi-core, where the i3-7320 scores 4057 against the Opteron’s 3377, a 20.1% win. This is notable because the Opteron has 8 physical cores versus the i3’s 2 cores and 4 threads. The data shows that raw core count does not translate into performance when architectural efficiency and clock speed differ so dramatically. The i3-7320’s average benchmark score of 1173 also edges out the Opteron’s 1162, a small but consistent advantage that aligns with the nearest rival data: the i3’s closest rival is the Intel Core i5-3550 (deltaPct -0.4), while the Opteron’s closest rival is the AMD Opteron 6220 (deltaPct -0.5), showing both chips compete in similar performance tiers despite different designs.

Specification Differences

The specification sheets show stark contrasts in nearly every field. The Intel Core i3-7320 has 2 cores and 4 threads, while the AMD Opteron 6212 has 8 cores and 8 threads. Base clocks differ significantly: the i3 runs at 4.10 GHz with no boost clock, while the Opteron runs at 2.60 GHz base and boosts to 3.20 GHz. Thermal design power (TDP) also diverges sharply: the i3 is rated at 51 W, whereas the Opteron consumes 115 W, more than double. This has implications for cooling and power delivery, though the i3’s higher clock speed clearly delivers more performance per watt based on benchmark deltas.

Socket and platform requirements are completely incompatible. The i3-7320 uses Intel Socket 1151, while the Opteron 6212 uses AMD Socket G34. Memory support differs: the i3 supports DDR4 with a dual-channel bus and 38.4 GB/s bandwidth, while the Opteron supports DDR3 with a quad-channel bus and 51.2 GB/s bandwidth. ECC memory support is exclusive to the Opteron, which is a critical feature for server environments. PCIe support also differs: the i3 has Gen 3 with 16 lanes (CPU only), while the Opteron has Gen 2. The i3 includes integrated graphics (Intel HD 630), whereas the Opteron has no integrated graphics at all.

The market segments reveal the intended use cases: the i3 is a Desktop chip, and the Opteron is a Server/Workstation part. Production status shows the i3 as Active and the Opteron as End-of-life, reflecting their release dates: the i3 launched in January 2017, and the Opteron in November 2011. The Opteron has a launch MSRP of $266, but no pricing information is available for the i3 in the data. The i3 has a locked multiplier, and the Opteron also has a locked multiplier, so neither supports easy overclocking.

Architecture Differences

The architectural divide between these two processors is vast and explains the benchmark results. The Intel Core i3-7320 is built on the Kaby Lake architecture, manufactured on a 14 nm process by Intel. The AMD Opteron 6212 uses the Bulldozer architecture (codename Interlagos), fabricated on a 32 nm process by GlobalFoundries. This process node difference is significant: 14 nm versus 32 nm allows the Intel part to achieve much higher clock speeds (4.10 GHz versus 2.60 GHz base) while consuming far less power (51 W versus 115 W TDP).

Cache layouts also differ fundamentally. The i3-7320 has 64 KB of L1 cache per core and 256 KB of L2 cache per core, with 4 MB of shared L3 cache. The Opteron 6212 has 768 KB of total L1 cache, 2 MB of L2 cache per module, and 8 MB of L3 cache per die. The Opteron’s larger L3 cache (8 MB per die versus 4 MB shared) is designed for server workloads with larger working sets, but the benchmark data shows it does not compensate for the architectural inefficiency. The i3’s per-core cache allocation is more generous relative to its core count, which likely contributes to its superior single-thread performance.

The Opteron’s transistor count is listed at 2,400 million with a die size of 2x 315 mm², while the i3’s transistor count and die size are not provided in the data. This suggests the Opteron is a much larger, more complex chip physically, yet it still loses in every benchmark. The foundry difference (Intel versus GlobalFoundries) and the generational gap (Kaby Lake versus Bulldozer) are the primary drivers of the performance gap. The Opteron’s Bulldozer architecture, while offering 8 cores, relies on module-based design where certain resources are shared between pairs of cores, which can bottleneck performance in multi-threaded workloads. The i3’s Kaby Lake architecture, with its high clock speed and efficient core design, dominates in both single-core and multi-core tests, as evidenced by the 20%+ deltas across Cinebench R15, R20, and R23. The data clearly shows that architectural efficiency and clock speed matter more than raw core count in these workloads.