Here's a comparison of the new 1.67 GHZ G4 Powerbook against my 800 MHZ G4 Titanium Powerbook. Results 78.63 System Info Xbench Version 1.1.3 System Version 10.3.7 (7S215) Physical RAM 512 MB Model PowerBook3,4 Processor PowerPC G4 @ 800 MHz Version 7455 (Apollo) v2.1 L1 Cache 32K (instruction), 32K (data) L2 Cache 256K @ 800 MHz L3 Cache 1024K @ 201 MHz Bus Frequency 134 MHz Video Card ATY,RageM7 Drive Type IC25N080ATMR04-0 CPU Test 92.01 GCD Loop 88.42 3.45 Mops/sec Floating Point Basic 90.36 326.79 Mflop/sec AltiVec Basic 97.23 2.82 Gflop/sec vecLib FFT 97.95 1.52 Gflop/sec Floating Point Library 87.18 3.49 Mops/sec Thread Test 65.26 Computation 46.85 632.45 Kops/sec, 4 threads Lock Contention 107.50 1.35 Mlocks/sec, 4 threads Memory Test 103.93 System 108.94 Allocate 483.23 315.21 Kalloc/sec Fill 121.35 965.92 MB/sec Copy 58.04 290.22 MB/sec Stream 99.36 Copy 91.66 670.00 MB/sec [altivec] Scale 93.86 692.68 MB/sec [altivec] Add 103.63 663.26 MB/sec [altivec] Triad 110.57 675.59 MB/sec [altivec] Quartz Graphics Test 116.61 Line 99.33 2.53 Klines/sec [50% alpha] Rectangle 112.64 7.92 Krects/sec [50% alpha] Circle 113.93 2.63 Kcircles/sec [50% alpha] Bezier 103.52 1.12 Kbeziers/sec [50% alpha] Text 182.01 2.97 Kchars/sec OpenGL Graphics Test 77.43 Spinning Squares 77.43 54.19 frames/sec User Interface Test 145.08 Elements 145.08 46.66 refresh/sec Disk Test 40.28 Sequential 41.51 Uncached Write 38.72 16.14 MB/sec [4K blocks] Uncached Write 34.63 14.18 MB/sec [256K blocks] Uncached Read 85.12 13.47 MB/sec [4K blocks] Uncached Read 33.44 13.51 MB/sec [256K blocks] Random 39.11 Uncached Write 32.58 0.49 MB/sec [4K blocks] Uncached Write 43.49 9.81 MB/sec [256K blocks] Uncached Read 41.65 0.27 MB/sec [4K blocks] Uncached Read 40.69 8.37 MB/sec [256K blocks] Results 92.26 System Info Xbench Version 1.1.3 System Version 10.3.7 (7T62) Physical RAM 1024 MB Model PowerBook5,6 Processor PowerPC G4 @ 1.67 GHz L1 Cache 32K (instruction), 32K (data) L2 Cache 512K @ 1.67 GHz Bus Frequency 167 MHz Video Card ATY,RV360M11 Drive Type Hitachi HTS541080G9AT00 CPU Test 82.57 GCD Loop 77.03 3.01 Mops/sec Floating Point Basic 68.91 249.20 Mflop/sec AltiVec Basic 79.94 2.32 Gflop/sec vecLib FFT 79.47 1.23 Gflop/sec Floating Point Library 125.49 5.02 Mops/sec Thread Test 56.48 Computation 38.90 525.21 Kops/sec, 4 threads Lock Contention 103.03 1.29 Mlocks/sec, 4 threads Memory Test 95.09 System 90.02 Allocate 459.45 299.70 Kalloc/sec Fill 79.14 629.97 MB/sec Copy 54.01 270.06 MB/sec Stream 100.76 Copy 98.10 717.10 MB/sec [altivec] Scale 98.91 729.98 MB/sec [altivec] Add 102.96 658.94 MB/sec [altivec] Triad 103.30 631.15 MB/sec [altivec] Quartz Graphics Test 139.53 Line 118.81 3.02 Klines/sec [50% alpha] Rectangle 107.18 7.54 Krects/sec [50% alpha] Circle 122.73 2.83 Kcircles/sec [50% alpha] Bezier 160.06 1.74 Kbeziers/sec [50% alpha] Text 270.82 4.41 Kchars/sec OpenGL Graphics Test 118.17 Spinning Squares 118.17 82.70 frames/sec User Interface Test 181.36 Elements 181.36 58.34 refresh/sec Disk Test 69.46 Sequential 74.75 Uncached Write 84.67 35.29 MB/sec [4K blocks] Uncached Write 60.64 24.83 MB/sec [256K blocks] Uncached Read 89.66 14.19 MB/sec [4K blocks] Uncached Read 71.14 28.74 MB/sec [256K blocks] Random 64.88 Uncached Write 56.23 0.84 MB/sec [4K blocks] Uncached Write 64.17 14.47 MB/sec [256K blocks] Uncached Read 68.50 0.45 MB/sec [4K blocks] Uncached Read 73.05 15.03 MB/sec [256K blocks]