AMD Radeon HD 7450 OEM vs AMD Radeon HD 6450 OEM

What is the difference between AMD Radeon HD 7450 OEM and AMD Radeon HD 6450 OEM. Find out which graphics card has better performance.

Graphics Processor (GPU)

CaicosGPU NameCaicos
CaimourModel numberJunbonator
TeraScale 2ArchitectureTeraScale 2
TSMCFoundryTSMC
40 nmProcess Size40 nm
370 millionTransistors370 million
67 mm²Die Size67 mm²

Graphics Card

Jan 5th, 2012Release DateFeb 7th, 2011
Southern Islands
(HD 7400)
FamilyNorthern Islands
(HD 6400)
End-of-lifeProductionEnd-of-life
Northern IslandsPredecessorEvergreen
PCIe 2.0 x16Bus InterfacePCIe 2.0 x16

Memory

512 MBMemory Size512 MB
GDDR3Memory TypeGDDR3
64 bitMemory Bus64 bit
8.528 GB/sBandwidth8.528 GB/s

Performance

2.500 GPixel/sPixel fillrate2.500 GPixel/s
5.000 GTexel/sTexture fillrate5.000 GTexel/s
200.0 GFLOPSFP32 (float) performance200.0 GFLOPS

Clock Speeds

533 MHz
1066 Mbps effective
Memory Clock533 MHz
1066 Mbps effective
625 MHzGPU Clock625 MHz

Render Config

160Shading Units160
8TMUs8
4ROPs4
2Compute Units2
8 KB (per CU)L1 Cache8 KB (per CU)
128 KBL2 Cache128 KB

Board Design

Single-slotSlot WidthSingle-slot
168 mm
6.6 inches
Length168 mm
6.6 inches
18 WThermal design power (TDP)18 W
200 WSuggested PSU200 W
1x DVI
1x HDMI
Display Connectors1x DVI
1x HDMI
1x VGA
NonePower ConnectorsNone
C264Board NumberC264

API support

11.2 (11_0)DirectX11.2 (11_0)
4.4OpenGL4.4
1.2OpenCL1.2
N/AVulkanN/A
5.0Shader Model5.0