Intel Xeon E3-1235 vs Intel Xeon E5649

Comparative analysis of Intel Xeon E3-1235 and Intel Xeon E5649 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

 

Differences

Reasons to consider the Intel Xeon E3-1235

  • CPU is newer: launch date 1 month(s) later
  • Around 23% higher clock speed: 3.60 GHz vs 2.93 GHz
  • Around 32% better performance in PassMark - Single thread mark: 1607 vs 1214
  • Around 50% better performance in Geekbench 4 - Single Core: 703 vs 470
  • 5.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 13.214 vs 2.594
Specifications (specs)
Launch date April 2011 vs February 2011
Maximum frequency 3.60 GHz vs 2.93 GHz
Benchmarks
PassMark - Single thread mark 1607 vs 1214
Geekbench 4 - Single Core 703 vs 470
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 13.214 vs 2.594

Reasons to consider the Intel Xeon E5649

  • 2 more cores, run more applications at once: 6 vs 4
  • 4 more threads: 12 vs 8
  • Around 5% higher maximum core temperature: 76.2°C vs 72.6°C
  • Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
  • 9x more maximum memory size: 288 GB vs 32 GB
  • Around 19% lower typical power consumption: 80 Watt vs 95 Watt
  • Around 89% better performance in PassMark - CPU mark: 9558 vs 5053
  • Around 11% better performance in Geekbench 4 - Multi-Core: 2849 vs 2563
  • Around 63% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 25.435 vs 15.561
  • Around 31% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.647 vs 0.493
Specifications (specs)
Number of cores 6 vs 4
Number of threads 12 vs 8
Maximum core temperature 76.2°C vs 72.6°C
L1 cache 64 KB (per core) vs 64 KB (per core)
L2 cache 256 KB (per core) vs 256 KB (per core)
L3 cache 12288 KB (shared) vs 8192 KB (shared)
Maximum memory size 288 GB vs 32 GB
Max number of CPUs in a configuration 2 vs 1
Thermal Design Power (TDP) 80 Watt vs 95 Watt
Benchmarks
PassMark - CPU mark 9558 vs 5053
Geekbench 4 - Multi-Core 2849 vs 2563
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 25.435 vs 15.561
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.647 vs 0.493

Compare benchmarks

CPU 1: Intel Xeon E3-1235
CPU 2: Intel Xeon E5649

PassMark - Single thread mark
CPU 1
CPU 2
1607
1214
PassMark - CPU mark
CPU 1
CPU 2
5053
9558
Geekbench 4 - Single Core
CPU 1
CPU 2
703
470
Geekbench 4 - Multi-Core
CPU 1
CPU 2
2563
2849
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
13.214
2.594
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
15.561
25.435
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.493
0.647
Name Intel Xeon E3-1235 Intel Xeon E5649
PassMark - Single thread mark 1607 1214
PassMark - CPU mark 5053 9558
Geekbench 4 - Single Core 703 470
Geekbench 4 - Multi-Core 2563 2849
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 13.214 2.594
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 15.561 25.435
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.493 0.647
CompuBench 1.5 Desktop - Video Composition (Frames/s) 2.788
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.62

Compare specifications (specs)

Intel Xeon E3-1235 Intel Xeon E5649

Essentials

Architecture codename Sandy Bridge Westmere EP
Launch date April 2011 February 2011
Launch price (MSRP) $287 $45
Place in performance rating 2347 2403
Price now $244 $115
Processor Number E3-1235 E5649
Series Intel® Xeon® Processor E3 Family Legacy Intel® Xeon® Processors
Status Discontinued Launched
Value for money (0-100) 9.27 17.77
Vertical segment Server Server

Performance

64 bit support
Base frequency 3.20 GHz 2.53 GHz
Bus Speed 5 GT/s DMI 5.86 GT/s QPI
Die size 216 mm 239 mm
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 8192 KB (shared) 12288 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 72.6°C 76.2°C
Maximum frequency 3.60 GHz 2.93 GHz
Number of cores 4 6
Number of threads 8 12
Transistor count 1160 million 1170 million
Number of QPI Links 2
VID voltage range 0.750V-1.350V

Memory

ECC memory support
Max memory channels 2 3
Maximum memory bandwidth 21 GB/s 32 GB/s
Maximum memory size 32 GB 288 GB
Supported memory types DDR3 1066/1333 DDR3 800/1066/1333

Graphics

Graphics base frequency 850 MHz
Graphics max dynamic frequency 1.35 GHz
Graphics max frequency 1.35 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics Intel HD Graphics P3000

Graphics interfaces

Number of displays supported 2
Wireless Display (WiDi) support

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 2
Package Size 37.5mm x 37.5mm 42.5mm X 45mm
Sockets supported LGA1155 FCLGA1366
Thermal Design Power (TDP) 95 Watt 80 Watt

Peripherals

Max number of PCIe lanes 20
PCI Express revision 2.0

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Physical Address Extensions (PAE) 40-bit

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)