AMD Opteron 3280 vs Intel Core i5-4570T Comparison

The Intel Core i5-4570T and AMD Opteron 3280 occupy the same percentile tier (31st) with nearly identical average benchmark scores (1108 vs 1106), yet their underlying designs could not be more different. The data reveals a curious matchup: a low-power dual-core Intel part with Hyper-Threading going head-to-head against an eight-core AMD server-derived chip. While their overall performance averages are separated by just 0.1%, the individual workload results tell a far more one-sided story.

Where Each One Wins

The benchmark results are unambiguous: the AMD Opteron 3280 wins every single head-to-head test recorded, taking all five comparisons. This is not a case of one chip edging ahead in specific niches — the Opteron simply outperforms the i5-4570T across the board, from single-core to multi-core workloads.

The Intel Core i5-4570T does not claim a single win in any benchmark category. Even in single-core tests, where Intel's Haswell architecture typically excels, the Opteron 3280 leads by 15%. The i5's higher base clock (2.90 GHz vs 2.50 GHz) and boost clock (3.60 GHz vs 3.50 GHz) are not enough to overcome the Opteron's architectural advantages in the tested scenarios.

However, the i5-4570T does possess significant efficiency advantages. Its 35W TDP is nearly half the Opteron's 65W TDP. For systems where power consumption is the primary constraint, the Intel part offers a compelling trade-off: roughly 85-87% of the Opteron's performance at roughly 54% of the power envelope. The i5 also integrates Intel HD 4600 graphics, while the Opteron relies on chipset-based display output "on certain motherboards" — a meaningful difference for systems avoiding discrete GPUs.

FAQ

Q: Which processor has more cores?

A: The AMD Opteron 3280 has 8 physical cores with 8 threads, while the Intel Core i5-4570T has 2 physical cores with 4 threads (thanks to Hyper-Threading). The Opteron offers four times the physical core count.

Q: What is the performance difference in multi-core workloads?

A: The Opteron 3280 consistently leads by approximately 15% across all Cinebench multi-core tests. In Cinebench R23 multi-core, the Opteron scores 3215 versus the i5-4570T's 2732, a 15% advantage.

Q: Does the Intel chip win any benchmark?

A: No. The head-to-head data shows the Opteron 3280 winning all 5 benchmark comparisons. The i5-4570T records zero wins in the tested categories.

Q: How do their average benchmark scores compare?

A: They are nearly identical. The i5-4570T has an average benchmark score of 1108, while the Opteron 3280 scores 1106 — a difference of just 0.1% in favor of Intel.

Q: What about power consumption?

A: The Intel i5-4570T has a TDP of 35W, while the AMD Opteron 3280 has a TDP of 65W. The Intel part uses significantly less power while delivering slightly lower performance.

Q: Do these processors support ECC memory?

A: No. Both the Intel Core i5-4570T and the AMD Opteron 3280 have ECC memory support listed as false in the specification data.

Head-to-Head Benchmarks

The head-to-head results present a consistent pattern of AMD dominance, with every test showing roughly the same 15% deficit for Intel. In Cinebench R15 multi-core, the Opteron scores 324 against the i5's 275, a 15.1% difference. Moving to Cinebench R20 multi-core, the Opteron's 1350 edges out the i5's 1147 by 15%.

The single-core results are particularly revealing. In Cinebench R20 single-core, the Opteron 3280 scores 190 versus the i5-4570T's 161 — a 15.3% lead for AMD. This challenges the conventional expectation that Intel's per-core performance would dominate. Despite the i5's higher clock speeds (2.90 GHz base, 3.60 GHz boost versus 2.50 GHz base, 3.50 GHz boost), the Opteron's K10 architecture delivers better single-threaded performance in these tests.

Cinebench R23 confirms the trend with near-identical margins. In multi-core, the Opteron scores 3215 against 2732 for Intel (15% difference), and in single-core, the Opteron's 453 beats the i5's 385 by 15%. The consistency of these deltas across different Cinebench versions suggests a fundamental architectural advantage rather than a test-specific anomaly.

The Geekbench results are only available for the Intel part (2016 multi-core, 1042 single-core), so no direct comparison is possible there. However, the available data shows the Opteron 3280 winning all 5 head-to-head tests, with the i5-4570T recording zero wins.

Specification Differences

The two processors differ fundamentally in their core configurations. The Intel i5-4570T offers 2 cores and 4 threads, while the AMD Opteron 3280 provides 8 cores and 8 threads. Clock speeds favor Intel: 2.90 GHz base and 3.60 GHz boost versus 2.50 GHz base and 3.50 GHz boost for AMD.

Power consumption is a major differentiator. The i5-4570T has a 35W TDP, while the Opteron 3280 draws 65W. Socket compatibility differs completely: Intel uses Socket 1150, while AMD uses Socket AM3+.

Cache hierarchies are structured differently. The i5-4570T has 64 KB L1 per core and 256 KB L2 per core, with 4 MB shared L3. The Opteron 3280 has 384 KB total L1, 8 MB L2, and 8 MB shared L3. The Opteron's L3 cache is double the Intel's.

PCIe support differs, with Intel offering Gen 3 while AMD provides Gen 2. Memory bandwidth is only specified for the Opteron at 29.9 GB/s; no figure is listed for the Intel part, though both support DDR3 dual-channel memory.

Integrated graphics represent another clear distinction. The i5-4570T includes Intel HD 4600, while the Opteron 3280 relies on "on certain motherboards (Chipset feature)" — meaning no dedicated integrated GPU.

Architecture Differences

The architectural gap between these two chips is substantial. Intel's i5-4570T uses the Haswell architecture on a 22 nm process node, fabricated by Intel with 1,400 million transistors on a 177 mm² die. AMD's Opteron 3280 uses the older K10 architecture (codename Zurich) on a 32 nm process from GlobalFoundries, with 1,200 million transistors on a larger 315 mm² die.

These process differences partially explain the TDP gap — Intel's more advanced 22 nm node enables the 35W power envelope, while AMD's 32 nm process requires 65W. The die size difference is notable: AMD's chip is nearly twice as large (315 mm² versus 177 mm²) despite having fewer transistors, reflecting the less dense older process.

The release dates reflect this technology gap. The i5-4570T launched on 2013-06-01, while the Opteron 3280 arrived earlier on 2012-03-19. The Opteron is marked as "End-of-life" production status, while the Intel part's production status is not specified.

Both chips support DDR3 memory and lack ECC support. Neither has an unlocked multiplier. The Opteron's memory bandwidth is specified at 29.9 GB/s, while the Intel part lists no bandwidth figure.

The Opteron 3280 has a listed launch MSRP of $229, while the i5-4570T has no launch MSRP provided.

The Verdict

The data presents a clear performance hierarchy: the AMD Opteron 3280 is the faster processor in every measured benchmark. If raw compute performance is the sole criterion, the Opteron wins decisively, delivering 15% higher scores across both single-core and multi-core Cinebench tests. The 8-core, 8-thread configuration with 8 MB of L3 cache proves more effective than the 2-core, 4-thread Intel part with 4 MB L3, despite the i5's higher clock speeds.

However, the Intel Core i5-4570T offers compelling advantages for specific use cases. Its 35W TDP versus the Opteron's 65W makes it significantly more power-efficient — delivering roughly 85-87% of the Opteron's performance while consuming about 54% of the power. For compact, low-power systems or always-on machines where electricity consumption matters, the i5-4570T is the rational choice.

The integrated graphics situation also favors Intel. The i5-4570T includes Intel HD 4600, enabling display output without a discrete GPU. The Opteron 3280 requires chipset-based graphics on certain motherboards, adding system complexity. For basic desktop use, media playback, or office productivity, the Intel chip offers a more complete solution.

The Opteron 3280's 8 physical cores make it better suited for multi-threaded workloads like video rendering, compilation, or server-style tasks. Its 15% lead in Cinebench multi-core tests (3215 vs 2732 in R23) reflects genuine parallel capability. The 8 MB L3 cache and 29.9 GB/s memory bandwidth support this multi-core prowess.

Given the nearly identical average benchmark scores (1108 vs 1106) and the same 31st percentile ranking, these processors are effectively peers in overall performance. The choice comes down to priorities: the Opteron 3280 for maximum compute throughput regardless of power draw, or the i5-4570T for efficiency and integrated graphics. For users with multi-threaded workloads and adequate cooling, the Opteron delivers more performance. For power-sensitive builds or systems requiring integrated display output, the i5-4570T is the better fit. The data does not support a universal recommendation — it depends entirely on the workload and system constraints.