iMac (21.5-inch Mid 2011) iMac (Early 2009)
Geekbench 2 Score 8185 4502

System Information

iMac (21.5-inch Mid 2011) iMac (Early 2009)
Operating System Mac OS X 10.7.3 Mac OS X 10.7.2 (Build 11C74)
Model iMac (21.5-inch Mid 2011) iMac (Early 2009)
Processor Intel Core i5-2500S @ 2.70 GHz
1 Processor, 4 Cores
Intel Core 2 Duo E8335 @ 2.93 GHz
1 Processor, 2 Cores
Processor ID GenuineIntel Family 6 Model 42 Stepping 7 GenuineIntel Family 6 Model 23 Stepping 10
L1 Instruction Cache 32 KB x 2 32 KB
L1 Data Cache 32 KB x 2 32 KB
L2 Cache 256 KB x 2 6144 KB
L3 Cache 6144 KB 0 KB
Motherboard Apple Inc. Mac-942B5BF58194151B Apple Inc. Mac-F2218FA9
BIOS Apple Inc. IM121.88Z.0047.B1F.1201241648 Apple Inc. IM91.88Z.008D.B08.0904271717
Memory 8.00 GB 1333 MHz DDR3 8.00 GB 1067 MHz DDR3

Integer Performance

iMac (21.5-inch Mid 2011) iMac (Early 2009)
Integer 7839 4145
Blowfish
single-core scalar
2265 1912
Blowfish
multi-core scalar
7358 4056
Text Compress
single-core scalar
3625 2641
Text Compress
multi-core scalar
10708 5053
Text Decompress
single-core scalar
3993 2284
Text Decompress
multi-core scalar
12505 4665
Image Compress
single-core scalar
3346 2525
Image Compress
multi-core scalar
9993 4959
Image Decompress
single-core scalar
3740 2617
Image Decompress
multi-core scalar
11119 5170
Lua
single-core scalar
6314 4647
Lua
multi-core scalar
19109 9215

Floating Point Performance

iMac (21.5-inch Mid 2011) iMac (Early 2009)
Floating Point 11602 6438
Mandelbrot
single-core scalar
3127 2179
Mandelbrot
multi-core scalar
9632 4419
Dot Product
single-core scalar
5064 3953
Dot Product
single-core vector
6137 3069
Dot Product
multi-core scalar
16357 8282
Dot Product
multi-core vector
21480 7028
LU Decomposition
single-core scalar
2755 1683
LU Decomposition
multi-core scalar
5168 3205
Primality Test
single-core scalar
8330 5741
Primality Test
multi-core scalar
20309 8695
Sharpen Image
single-core scalar
7248 6245
Sharpen Image
multi-core scalar
22402 12588
Blur Image
single-core scalar
8468 7660
Blur Image
multi-core scalar
25956 15396

Memory Performance

iMac (21.5-inch Mid 2011) iMac (Early 2009)
Memory 4662 3038
Read Sequential
single-core scalar
6584 4246
Write Sequential
single-core scalar
6644 3047
Stdlib Allocate
single-core scalar
4798 2717
Stdlib Write
single-core scalar
2296 2448
Stdlib Copy
single-core scalar
2989 2734

Stream Performance

iMac (21.5-inch Mid 2011) iMac (Early 2009)
Stream 4488 1912
Stream Copy
single-core scalar
4377 1899
Stream Scale
single-core scalar
4568 1885
Stream Add
single-core scalar
4386 1915
Stream Triad
single-core scalar
4822 1981