Opteron 6276 vs Core i7-4790K

Primary details

Comparing Core i7-4790K and Opteron 6276 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1130	1334
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.28	1.51
Market segment	Desktop processor	Server
Series	Core i7 (Desktop)	no data
Architecture codename	Devil's Canyon	Interlagos (2011−2012)
Release date	June 2014 (10 years ago)	14 November 2011 (12 years ago)
Launch price (MSRP)	$339	$119
Current price	$151 (0.4x MSRP)	$278 (2.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-4790K has 51% better value for money than Opteron 6276.

Detailed specifications

Core i7-4790K and Opteron 6276 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	16 (Hexadeca-Core)
Threads	8	16
Base clock speed	4 GHz	2.3 GHz
Boost clock speed	4.4 GHz	3.2 GHz
L1 cache	64K (per core)	768 KB
L2 cache	256K (per core)	16 MB
L3 cache	8 MB (shared)	8 MB (per die)
Chip lithography	22 nm	32 nm
Die size	177 mm2	316 mm2
Maximum core temperature	74 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	1,400 million	2,400 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-4790K and Opteron 6276 compatibility with other computer components: 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	1	4
Socket	FCLGA1150	G34
Power consumption (TDP)	88 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790K and Opteron 6276. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
FMA	no data	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
SIPP	-	no data
FDI	+	no data
Status	Discontinued	no data

Security technologies

Core i7-4790K and Opteron 6276 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	no data
OS Guard	+	no data
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4790K and Opteron 6276 are enumerated here.

AMD-V	+	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790K and Opteron 6276. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4600	no data
Max video memory	2 GB	no data
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.25 GHz	no data
Execution Units	20	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-4790K and Opteron 6276 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
DVI	+	no data
VGA	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-4790K and Opteron 6276 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160@24Hz	no data
Max resolution over eDP	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	1920x1200@60Hz	no data

Graphics API support

APIs supported by Core i7-4790K and Opteron 6276 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-4790K and Opteron 6276.

PCIe version	3.0	2.0
PCI Express lanes	16	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core i7-4790K outperforms Opteron 6276 by 27% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	5.21	4.10
Recency	on June 2014	14 November 2011
Physical cores	4	16
Threads	8	16
Cost	$339	$119
Chip lithography	22 nm	32 nm
Power consumption (TDP)	88 Watt	115 Watt

---

Should you still have questions on choice between Core i7-4790K and Opteron 6276, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---