AMD Opteron 4276 HE: specs and benchmarks

Summary

AMD started Opteron 4276 HE sales 4 June 2012 at a recommended price of $455. This is a Valencia architecture desktop processor primarily aimed at professional systems. It has 8 cores and 8 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of 3600 MHz and a locked multiplier.

Compatibility-wise, this is AMD Socket C32 processor with a TDP of 65 Watt. It supports DDR3 memory.

Primary details

Opteron 4276 HE processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking	not rated
Place by popularity	not in top-100
Market segment	Server
Architecture codename	Valencia (2012)
Release date	4 June 2012 (12 years ago)
Launch price (MSRP)	$455	of 17,906 (tray) (Xeon Platinum 8280L)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	8 (Octa-Core)
Threads	8
Base clock speed	2.6 GHz	of 4.7 GHz (FX-9590)
Boost clock speed	3.6 GHz	of 50 MHz (i486DX-50)
L1 cache	384 KB	of 80 KB (EPYC 9965)
L2 cache	8 MB	of 2 MB (Xeon 6980P)
L3 cache	8 MB (shared)	of 1152 MB (EPYC 9684X)
Chip lithography	32 nm	of 3 nm (Apple M3 Max 16-Core)
Die size	315 mm2
Number of transistors	1,200 million	of 135,240 million (EPYC 9684X)
64 bit support	+

Compatibility

Information on Opteron 4276 HE compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	2	of 8 (Opteron 842)
Socket	C32
Power consumption (TDP)	65 Watt	of 3100 ‑ 4500 (Ryzen 7 7435H)

Technologies and extensions

Technological capabilities and additional instructions supported by Opteron 4276 HE. You'll probably need this information if you require some particular technology.

AES-NI	+
FMA	+
AVX	+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

AMD-V

+

Memory specs

Types, maximum amount and channel number of RAM supported by Opteron 4276 HE's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types

DDR3

Graphics specifications

General parameters of a GPU integrated into Opteron 4276 HE.

Integrated graphics card

N/A

Peripherals

Specifications and connection types of supported peripherals.

PCIe version

2.0

of 5.0 (Core i9-12900K)

Benchmark performance

Single-core and multi-core benchmark results of Opteron 4276 HE. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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