Intel Xeon E5-2640 vs X5677

Intel Xeon E5-2640
Intel Xeon X5677

General info

Comparing Xeon E5-2640 and Xeon X5677 processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
 
Value for money (0-100)
37.94
 
31.80
Type
Server
 
Server
Architecture codename
Sandy Bridge-EP
 
Westmere-EP
Release date
6 March 2012
 
16 March 2010
Launch price (MSRP)
$162
 
$350
Price now
$88
 
$105

Technical specs

Xeon E5-2640 and Xeon X5677 quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Xeon E5-2640 and Xeon X5677 performance, but for precise assessment you have to consider their test results.
Number of cores
6
 
4
Number of threads
12
 
8
Base frequency
2.5 GHz
 
3.466 GHz
Maximum frequency
3 GHz
 
3.73 GHz
L1 cache
64 KB (per core)
 
64 KB (per core)
L2 cache
256 KB (per core)
 
256 KB (per core)
L3 cache
15360 KB (shared)
 
12 MB (shared)
Manufacturing process technology
32 nm
 
32 nm
Die size
435 mm2
 
239 mm2
Maximum core temperature
73 °C
 
80 °C
Transistor count
2,270 million
 
1,170 million
64 bit support
+
 
+
VID voltage range
0.6V-1.35V
 
0.75V-1.35V

Compatibility

Information on Xeon E5-2640 and Xeon X5677 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
2
 
2
Socket
FCLGA2011
 
FCLGA1366
Power consumption (TDP)
95 Watt
 
130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 and Xeon X5677. You'll probably need this information if you require some particular technology.
Instruction set extensions
Intel® AVX
 
Intel® SSE4.2
AES-NI
+
 
+
AVX
+
 
-
vPro
+
 
no data
Enhanced SpeedStep (EIST)
+
 
+
Turbo Boost
1.0
 
1.0
Hyper-Threading
+
 
+
Idle States
+
 
+
Thermal Monitoring
+
 
-
Flex Memory Access
-
 
no data
Demand Based Switching
+
 
+
PAE
no data
 
40 Bit

Security technologies

Xeon E5-2640 and Xeon X5677 technologies aimed at raising security, for example, by protecting against hacks.
TXT
+
 
+
EDB
+
 
+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2640 and Xeon X5677 are enumerated here.
VT-d
+
 
+
VT-x
+
 
+
EPT
+
 
+

Memory specs

Types, maximum amount and channel number of RAM supported by Xeon E5-2640 and Xeon X5677.
Supported memory types
DDR3-800, DDR3-1066, DDR3-1333
 
DDR3-800, DDR3-1066, DDR3-1333
Maximum memory size
384 GB
 
288 GB
Max memory channels
4
 
3
Maximum memory bandwidth
42.6 GB/s
 
32 GB/s
ECC memory support
+
 
+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 and Xeon X5677.
PCIe revision
3.0
 
no data
Max number of PCIe lanes
40
 
no data

Benchmark performance

Non-gaming benchmarks performance of Xeon E5-2640 and Xeon X5677. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

Xeon E5-2640 7.96
Xeon X5677 7.96

Passmark

Xeon E5-2640 6474
Xeon X5677 6474

Mining hashrates

Cryptocurrency mining performance of Xeon E5-2640 and Xeon X5677. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
no data
 
5.3 Mh/s

Gaming performance

Let's see how good Xeon E5-2640 and Xeon X5677 are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Advantages of Intel Xeon E5-2640

Much newer (6 March 2012 vs 16 March 2010)
Cheaper ($162 vs $350)
Less power hungry (95 vs 130 watts)
AVX (Advanced Vector Extensions - a set of SIMD instructions working with 128- and 256-bit registers)
Thermal Monitoring Technologies

Advantages of Intel Xeon X5677

We are unaware of any advantages of Intel Xeon X5677 over Intel Xeon E5-2640.

So, Xeon E5-2640 or X5677?

Technical City couldn't decide between Intel Xeon E5-2640 and Intel Xeon X5677. The differences in performance seem too small.
Should you still have questions on choice between Xeon E5-2640 and Xeon X5677, ask them in Comments section, and we shall answer.

Cast your vote

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favourite CPU.
Intel Xeon E5-2640
Intel Xeon X5677
Like
Like

User rating

Here you can see the rating of the processor by users, as well as give your rating.

Advices and comments

Here you can ask a question about Xeon E5-2640 or Xeon X5677, agree or disagree with our judgements, or report an error or mismatch.