Mac Pro (Early 2009) iMac (27-inch Mid 2011)
Geekbench 2 Score 14090 8039

System Information

Mac Pro (Early 2009) iMac (27-inch Mid 2011)
Operating System Mac OS X 10.9.1 Mac OS X 10.7.2 (Build 11C74)
Model Mac Pro (Early 2009) iMac (27-inch Mid 2011)
Processor Intel Xeon E5520 @ 2.26 GHz
2 Processors, 8 Cores, 16 Threads
Intel Core i5-2500S @ 2.70 GHz
1 Processor, 4 Cores
Processor ID GenuineIntel Family 6 Model 26 Stepping 5 GenuineIntel Family 6 Model 42 Stepping 7
L1 Instruction Cache 32 KB x 4 32 KB x 2
L1 Data Cache 32 KB x 4 32 KB x 2
L2 Cache 256 KB x 4 256 KB x 2
L3 Cache 8192 KB 6144 KB
Motherboard Apple Inc. Mac-F221BEC8 Apple Inc. Mac-942B59F58194171B iMac12,2
BIOS Apple Inc. MP41.88Z.0081.B07.0910130729 Apple Inc. IM121.88Z.0047.B1D.1110171110
Memory 32.00 GB 1066 MHz DDR3 8.00 GB 1333 MHz DDR3

Integer Performance

Mac Pro (Early 2009) iMac (27-inch Mid 2011)
Integer 13538 6314
Blowfish
single-core scalar
1598 2368
Blowfish
multi-core scalar
21102 7709
Text Compress
single-core scalar
2278 3113
Text Compress
multi-core scalar
22919 9170
Text Decompress
single-core scalar
2333 3395
Text Decompress
multi-core scalar
24420 10617
Image Compress
single-core scalar
2160 2691
Image Compress
multi-core scalar
22550 8008
Image Decompress
single-core scalar
2286 2663
Image Decompress
multi-core scalar
21755 7915
Lua
single-core scalar
3986 4791
Lua
multi-core scalar
35072 13338

Floating Point Performance

Mac Pro (Early 2009) iMac (27-inch Mid 2011)
Floating Point 23028 11000
Mandelbrot
single-core scalar
2130 3123
Mandelbrot
multi-core scalar
29976 9620
Dot Product
single-core scalar
3476 4993
Dot Product
single-core vector
4203 6069
Dot Product
multi-core scalar
27935 16053
Dot Product
multi-core vector
43884 21399
LU Decomposition
single-core scalar
1545 1501
LU Decomposition
multi-core scalar
6983 4241
Primality Test
single-core scalar
5672 7395
Primality Test
multi-core scalar
45635 17909
Sharpen Image
single-core scalar
5365 6900
Sharpen Image
multi-core scalar
61744 21143
Blur Image
single-core scalar
6318 8276
Blur Image
multi-core scalar
77536 25386

Memory Performance

Mac Pro (Early 2009) iMac (27-inch Mid 2011)
Memory 4132 6568
Read Sequential
single-core scalar
3981 7583
Write Sequential
single-core scalar
6911 11384
Stdlib Allocate
single-core scalar
3149 4377
Stdlib Write
single-core scalar
3041 4066
Stdlib Copy
single-core scalar
3578 5434

Stream Performance

Mac Pro (Early 2009) iMac (27-inch Mid 2011)
Stream 4661 6663
Stream Copy
single-core scalar
4048 7361
Stream Copy
single-core vector
5560 8539
Stream Scale
single-core scalar
4162 7819
Stream Scale
single-core vector
5181 8256
Stream Add
single-core scalar
4421 2750
Stream Add
single-core vector
5421 8907
Stream Triad
single-core scalar
4511 3153
Stream Triad
single-core vector
3985 6524