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Type
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Floating Point Unit / Co-processor
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|
Market segment
|
Server
|
|
Family
|
Intel Xeon Phi 3100 series
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Model number
|
3120P
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|
COP part number
|
-
SC3120P is an OEM/tray co-processor
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|
Frequency
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1100 MHz
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Package
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Card with PCI Express x16 connector
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Socket
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PCI Express x16
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Size
|
9.69" x 4.38" x 4.38" / 24.61cm x 11.12cm x 3.86cm
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|
Weight
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2lb 10.3oz / 1200g
|
|
Introduction date
|
June 17, 2013
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|
Price at introduction
|
$1695
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Architecture / Microarchitecture
|
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Microarchitecture
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Many Integrated Cores
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Processor core
|
Knights Corner
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Manufacturing process
|
0.022 micron
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Data width
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64 bit
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The number of cores
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57
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The number of threads
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228
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Floating Point Unit
|
Integrated
|
|
Level 1 cache size
|
57 x 32 KB 8-way associative instruction caches
57 x 32 KB 8-way associative data caches
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|
Level 2 cache size
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57 x 512 KB 8-way associative inclusive caches
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|
Cache latency
|
1 (L1 cache)
11 (L2 cache)
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Multiprocessing
|
Up to 8 co-processors
|
|
Features
|
-
Vector SIMD instructions
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FMA3 / 3-operand Fused Multiply-Add instructions
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NX / XD / Execute disable bit
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|
Low power features
|
-
Core C1 and C6 states
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Package Auto-C3, Deeper-C3 and C6 states
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Demand Based Scaling
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Integrated peripherals / components
|
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Memory controller
|
The number of controllers: 8
Memory channels per controller: 2
Channel width (bits): 32
Supported memory: GDDR5
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Other peripherals
|
-
8-channel DMA controller
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PCI Express 2.0 interface
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|
Electrical / Thermal parameters
|
|
Minimum/Maximum operating temperature
|
5°C - 95°C (case)
|
|
Thermal Design Power
|
300 Watt
|
|
Notes on Intel Xeon Phi 3120P
|
-
The co-processor does not support MMX, SSEx and AVX instructions
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The co-processor includes 6 GB of on-board GDDR5 memory with effective speed 5 GT/s
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Peak performance is 1003 GFLOPS for double-precision operations
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The card is passively cooled
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