Mac Pro (Early 2008) iMac (21.5-inch Mid 2011)
Geekbench 3 Score 1666 2438
Geekbench 3 Multicore Score 11688 6642

System Information

Mac Pro (Early 2008) iMac (21.5-inch Mid 2011)
Operating System Mac OS X 10.9.2 Mac OS X 10.7.5 (Build 11G63b)
Model Mac Pro (Early 2008) iMac (21.5-inch Mid 2011)
Processor Intel Xeon E5462 @ 2.80 GHz
2 Processors, 8 Cores
Intel Core i5-2400S @ 2.50 GHz
1 Processor, 4 Cores
Processor ID GenuineIntel Family 6 Model 23 Stepping 6 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 6144 KB x 2 256 KB x 2
L3 Cache 0 KB 6144 KB
Motherboard Apple Inc. Mac-F42C88C8 Proto1 Apple Inc. Mac-942B5BF58194151B
BIOS Apple Inc. MP31.88Z.006C.B05.0802291410 Apple Inc. IM121.88Z.0047.B1F.1201241648
Memory 32.00 GB 667 MHz DDR2 FB-DIMM 12.00 GB 1333 MHz DDR3

Integer Performance

Mac Pro (Early 2008) iMac (21.5-inch Mid 2011)
Integer 1890 2422
Integer Multicore 13881 7615
AES 177 2432
AES Multicore 1379 7265
Twofish 2395 2385
Twofish Multicore 18633 7714
SHA1 2660 2407
SHA1 Multicore 20927 7695
SHA2 2851 2383
SHA2 Multicore 22194 7773
BZip2 Compress 1966 2430
BZip2 Compress Multicore 15242 7692
BZip2 Decompress 2034 2418
BZip2 Decompress Multicore 15779 7806
JPEG Compress 2351 2428
JPEG Compress Multicore 18312 7676
JPEG Decompress 3123 2436
JPEG Decompress Multicore 22831 7643
PNG Compress 2183 2440
PNG Compress Multicore 17134 7824
PNG Decompress 2340 2417
PNG Decompress Multicore 18227 7640
Sobel 2156 2403
Sobel Multicore 15826 7558
Lua 2211 2403
Lua Multicore 16580 7511
Dijkstra 1715 2509
Dijkstra Multicore 7227 7231

Floating Point Performance

Mac Pro (Early 2008) iMac (21.5-inch Mid 2011)
Floating Point 1886 2396
Floating Point Multicore 14496 7700
BlackScholes 2654 2569
BlackScholes Multicore 20365 8040
Mandelbrot 1839 2401
Mandelbrot Multicore 14582 7570
Sharpen Filter 2306 2359
Sharpen Filter Multicore 17881 7677
Blur Filter 2055 2398
Blur Filter Multicore 16126 7598
SGEMM 1443 2296
SGEMM Multicore 10906 7327
DGEMM 1364 2316
DGEMM Multicore 10081 7501
SFFT 1797 2430
SFFT Multicore 13964 7865
DFFT 1679 2393
DFFT Multicore 12218 7820
N-Body 1842 2401
N-Body Multicore 14505 7788
Ray Trace 2261 2412
Ray Trace Multicore 17596 7841

Memory Performance

Mac Pro (Early 2008) iMac (21.5-inch Mid 2011)
Memory 781 2556
Memory Multicore 1690 2581
Stream Copy 1144 2573
Stream Copy Multicore 2265 2623
Stream Scale 729 2553
Stream Scale Multicore 1647 2600
Stream Add 652 2523
Stream Add Multicore 1504 2529
Stream Triad 686 2576
Stream Triad Multicore 1457 2575