Try this:
=IF(MOD(SUM(COUNTIF(B2:F2,B2:F2))/COUNTA(B2:F2),1),"DIFFERENT","EQUAL")
Confirm with CTRL-SHIFT-ENTER rather than just Enter.
Copy down.
<b>Sheet1</b><br /><br /><table border="1" cellspacing="0" cellpadding="0" style="font-family:Calibri,Arial; font-size:11pt; background-color:#ffffff; padding-left:2pt; padding-right:2pt; "> <colgroup><col style="font-weight:bold; width:30px; " /><col style="width:108px;" /><col style="width:64px;" /><col style="width:64px;" /><col style="width:64px;" /><col style="width:64px;" /><col style="width:64px;" /><col style="width:93px;" /></colgroup><tr style="background-color:#cacaca; text-align:center; font-weight:bold; font-size:8pt; "><td > </td><td >A</td><td >B</td><td >C</td><td >D</td><td >E</td><td >F</td><td >G</td></tr><tr style="height:36px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >1</td><td >Description</td><td >Brand 1</td><td >Brand 2</td><td >Brand 3</td><td >Brand 4</td><td >Brand 5</td><td >Same?</td></tr><tr style="height:36px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >2</td><td >Product A</td><td >Code 1</td><td >Code 1</td><td >Code 1</td><td >Code 1</td><td >Code 1</td><td >EQUAL</td></tr><tr style="height:18px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >3</td><td >Product B</td><td >Code 2</td><td >Code 2</td><td > </td><td >Code 2</td><td > </td><td >EQUAL</td></tr><tr style="height:18px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >4</td><td >Product C</td><td >Code 3</td><td >Code 3</td><td >Code 3</td><td >Code 4</td><td >Code 3</td><td >DIFFERENT</td></tr><tr style="height:18px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >5</td><td >Product D</td><td >Code 4</td><td > </td><td >Code 5</td><td >Code 5</td><td > </td><td >DIFFERENT</td></tr></table><br /><table style="font-family:Arial; font-size:10pt; border-style: groove ;border-color:#00ff00;background-color:#fffcf9; color:#000000; "><tr><td ><b>Spreadsheet Formulas</b></td></tr><tr><td ><table border = "1" cellspacing="0" cellpadding="2" style="font-family:Arial; font-size:9pt;"><tr style="background-color:#cacaca; font-size:10pt;"><td >Cell</td><td >Formula</td></tr><tr><td >G2</td><td >{=IF(MOD<span style=' color:008000; '>(SUM<span style=' color:#0000ff; '>(COUNTIF<span style=' color:#ff0000; '>(B2:F2,B2:F2)</span>)</span>/COUNTA<span style=' color:#0000ff; '>(B2:F2)</span>,1)</span>,"DIFFERENT","EQUAL")}</td></tr><tr><td >G3</td><td >{=IF(MOD<span style=' color:008000; '>(SUM<span style=' color:#0000ff; '>(COUNTIF<span style=' color:#ff0000; '>(B3:F3,B3:F3)</span>)</span>/COUNTA<span style=' color:#0000ff; '>(B3:F3)</span>,1)</span>,"DIFFERENT","EQUAL")}</td></tr><tr><td >G4</td><td >{=IF(MOD<span style=' color:008000; '>(SUM<span style=' color:#0000ff; '>(COUNTIF<span style=' color:#ff0000; '>(B4:F4,B4:F4)</span>)</span>/COUNTA<span style=' color:#0000ff; '>(B4:F4)</span>,1)</span>,"DIFFERENT","EQUAL")}</td></tr><tr><td >G5</td><td >{=IF(MOD<span style=' color:008000; '>(SUM<span style=' color:#0000ff; '>(COUNTIF<span style=' color:#ff0000; '>(B5:F5,B5:F5)</span>)</span>/COUNTA<span style=' color:#0000ff; '>(B5:F5)</span>,1)</span>,"DIFFERENT","EQUAL")}</td></tr></table></td></tr><tr><td ><span style=' font-family:Arial,Arial; font-size:9pt; font-weight:bold;'>Formula Array:</span><span style=' font-family:Arial,Arial; font-size:9pt;'><br />Produce enclosing </span><span style=' font-family:Arial,Arial; font-size:9pt; font-weight:bold;'>{ }</span><span style=' font-family:Arial,Arial; font-size:9pt;'> by entering<br />formula with CTRL+SHIFT+ENTER!</span></td></tr></table> <br /><br /><span style="font-family:Arial; font-size:9pt; font-weight:bold;background-color:#ffffff; color:#000000; ">Excel tables to the web >> </span>