AMD

AMD Opteron 6276

AMD processor specifications and benchmark scores

16
Cores
16
Threads
3.2
GHz Boost
115W
TDP
πŸ›‘οΈECC Memory

AMD Opteron 6276 Specifications

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Opteron 6276 Core Configuration

Processing cores and threading

The AMD Opteron 6276 features 16 physical cores and 16 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
16
Threads
16
SMP CPUs
4
⏱️

Opteron 6276 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Opteron 6276 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Opteron 6276 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.3 GHz
Boost Clock
3.2 GHz
All-Core Turbo
2.6 GHz
Multiplier
11.5x
πŸ’Ύ

AMD's Opteron 6276 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Opteron 6276 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Opteron 6276's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
768 KB
L2 Cache
2 MB (per module)
L3 Cache
8 MB (per die)
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Bulldozer Architecture & Process

Manufacturing and design details

The AMD Opteron 6276 is built on AMD's 32 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in Opteron 6276 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Bulldozer
Codename
Interlagos
Process Node
32 nm
Foundry
GlobalFoundries
Transistors
2,400 million
Die Size
2x 315 mmΒ²
Generation
Opteron (Interlagos)
πŸ”’

Bulldozer Instruction Set Features

Supported CPU instructions and extensions

The Opteron 6276 by AMD supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4A
SSE4.1
SSE4.2
AES
AVX
FMA4
XOP
AMD64
AMD-V
πŸ”Œ

Opteron 6276 Power & Thermal

TDP and power specifications

The AMD Opteron 6276 has a TDP (Thermal Design Power) of 115W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
115W
πŸ”§

AMD Socket G34 Platform & Socket

Compatibility information

The Opteron 6276 uses the AMD Socket G34 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
AMD Socket G34
Chipsets
AMD SR5650, SR5670, SR5690
PCIe
Gen 2
Package
FCLGA-1944
DDR5

AMD Socket G34 Memory Support

RAM compatibility and speeds

Memory support specifications for the Opteron 6276 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Opteron 6276 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR3
Memory Bus
Quad-channel
Memory Bandwidth
51.2 GB/s
ECC Memory
Supported
πŸ“¦

Opteron 6276 Product Information

Release and pricing details

The AMD Opteron 6276 is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Opteron 6276 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Nov 2011
Launch Price
$788
Market
Server/Workstation
Status
End-of-life
Part Number
OS6276WKTGGGU

Opteron 6276 Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how AMD Opteron 6276 performs in parallel rendering workloads like video production and 3D animation. The R15 version remains useful for comparing against older hardware benchmarks. Higher scores directly correlate with faster render times in Cinema 4D and similar 3D applications.

cinebench_cinebench_r15_multicore #1069 of 1788
543
4%
Max: 14,978
Compare with other CPUs

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how AMD Opteron 6276 handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance. A higher single-core score means snappier system responsiveness in everyday use.

cinebench_cinebench_r15_singlecore #1068 of 1245
76
4%
Max: 2,114

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on AMD Opteron 6276. The more demanding workload provides better differentiation between current-generation processors.

cinebench_cinebench_r20_multicore #1068 of 1788
2,265
4%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of AMD Opteron 6276. The increased complexity provides more accurate performance differentiation between modern CPUs.

cinebench_cinebench_r20_singlecore #1071 of 1784
319
4%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of AMD Opteron 6276 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss.

cinebench_cinebench_r23_multicore #1068 of 1788
5,395
4%
Max: 148,601
Compare with other CPUs

πŸ† Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD Opteron 6276 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance.

cinebench_cinebench_r23_singlecore #1068 of 1788
761
4%
Max: 20,979

About AMD Opteron 6276

The AMD Opteron 6276 is a 16-core, 16-thread processor launched in November 2011, part of AMD’s Interlagos generation built on a 32 nm process. Boasting a base clock of 2.30 GHz and a turbo boost up to 3.20 GHz, it targets multi-threaded workloads with its 8 MB of split L3 cache (4 MB per physical die in its dual-die design). In Cinebench R23 multicore testing, it scores 5,395 points, reflecting strong performance for its era in tasks like 3D rendering or video encoding. However, its single-core performance (761 points in R23) lags behind modern standards, making it inefficient for single-threaded applications. The chip’s 115W TDP and Socket G34 requirement limit its appeal for mainstream users, as power efficiency and platform compatibility remain challenges. Despite its age, the Opteron 6276 remains a viable option for budget-conscious workstations needing moderate parallel processing but lacks the scalability of newer architectures.

For gaming, the Opteron 6276 is a compromised choice due to its architecture. While its 16 cores can handle multitasking during gameplay, many modern titles remain bottlenecked by single-core performance. In Cinebench R20 single-core tests, it scores 319 points, significantly trailing contemporary gaming CPUs. The lack of hyper-threading also limits its ability to manage concurrent workloads, such as streaming or recording while gaming. However, in lightly threaded titles or lower-resolution settings, the chip’s turbo boost and clock speed provide passable frame rates, though not competitive with modern hardware. Enthusiasts seeking a secondary system for casual gaming might find the 16-core Opteron sufficient for older or less demanding titles, but it’s ill-suited for 1440p or 4K performance. Its gaming capabilities are best viewed as supplementary rather than primary.

Price-to-performance for the Opteron 6276 is uneven due to its niche legacy. Launched at $788, it was costly for a workstation processor in 2011, and its used-market value today reflects its dated architecture. While its 16 cores offer value for multi-threaded tasks, power consumption (115W) and Socket G34’s rarity inflate long-term costs. Motherboards supporting G34 are scarce, with most requiring dedicated workstations like the HP Z-series or IBM x3850. Key considerations include:

  • Strong value for light-to-moderate workloads in video editing or simulation
  • Limited gaming potential due to single-core bottlenecks
  • High acquisition and maintenance costs for Socket G34 platforms
  • Incompatibility with modern PCIe 4.0 or DDR5 standards
The Interlagos-based processor remains a footnote in AMD’s history, suitable only for enthusiasts or retro builds, not as a recommendation for new systems.

The Intel Equivalent of Opteron 6276

Looking for a similar processor from Intel? The Intel Core i5-2430M offers comparable performance and features in the Intel lineup.

Intel Core i5-2430M

Intel β€’ 2 Cores

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