Og E8400 kan du clocke til over 4GHz, så nej det kan du ikke sammenligne.
Du blive nødt til at kigge på tests. Her kan du vælge forskellige cpu'er og bencmarks:
http://www.tomshardware.com/charts/cpu-charts-2007/3dmark06-cpu,370.html?p=1217%2C1273%2C1272%2C1271%2C1270%2C1269%2C1275%2C1308%2C1307%2C1306%2C1268%2C1267%2C1265%2C1266%2C1274%2C1264%2C1263%2C1253%2C1262%2C1252%2C1261%2C1251%2C1228%2C1250%2C1259%2C1260%2C1248%2C1245%2C1249%2C1246%2C1247%2C1244%2C1241%2C1242%2C1243%2C1240%2C1258%2C1257%2C1239%2C1302%2C1256%2C1237%2C1238%2C1236%2C1235%2C1305%2C1255%2C1234%2C1232%2C1300%2C1233%2C1301%2C1231%2C1230%2C1304%2C1303%2C1229%2C1254%2C1299%2C1295%2C1298%2C1294%2C1297%2C1293%2C1296%2C1292%2C1227%2C1225%2C1224%2C1226%2C1281%2C1291%2C1223%2C1220%2C1221%2C1222%2C1280%2C1290%2C1289%2C1279%2C1287%2C1288%2C1318%2C1317%2C1316%2C1219%2C1278%2C1285%2C1286%2C1312%2C1313%2C1277%2C1315%2C1314%2C1218%2C1284%2C1283%2C1276%2C1282%2C1311%2C1310%2C1309