HP HD 7450 1 GB

Graphics Processor

Caicos

Cores

160

TMUs

ROPs

Memory Size

1024 MB

Memory Type

GDDR3

Bus Width

64 bit

GPU

Graphics Processor

GPU Name: Caicos

GPU Variant: Caimour

Architecture: TeraScale 2

Foundry: TSMC

Process Size: 40 nm

Transistors: 370 million

Density: 5.5M / mm²

Die Size: 67 mm²

Chip Package: FCBGA-631

Graphics Card

Release Date: Jan 5th, 2012

Generation: Southern Islands
(HD 7400)

Predecessor: Northern Islands

Successor: Sea Islands

Production: End-of-life

Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: 625 MHz

Memory Clock: ~~533 MHz~~
800 MHz (+50%)
~~1066 Mbps effective~~
1600 Mbps effective

Memory

Memory Size: ~~512 MB~~
1024 MB

Memory Type: GDDR3

Memory Bus: 64 bit

Bandwidth: ~~8.528 GB/s~~
12.80 GB/s

Render Config

Shading Units: 160

TMUs: 8

ROPs: 4

Compute Units: 2

L1 Cache: 8 KB (per CU)

L2 Cache: 128 KB

Theoretical Performance

Pixel Rate: 2.500 GPixel/s

Texture Rate: 5.000 GTexel/s

FP32 (float): 200.0 GFLOPS

Board Design

Slot Width: Single-slot

TDP: 18 W

Suggested PSU: 200 W

Outputs: 1x DVI
1x HDMI 1.3a

Power Connectors: None

Board Number: C264

Graphics Features

DirectX: 11.2 (11_0)

OpenGL: 4.4

OpenCL: 1.2

Vulkan: N/A

Shader Model: 5.0

Card Notes

Rebranded HD 6450 DDR3

Caicos GPU Notes

Generation: Northern Islands
Mobile Variant: Seymour
Graphics/Compute: GFX4
Display Core Engine: 5.0
Unified Video Decoder: 3.1

Other retail boards based on this design (6)

Name	GPU Clock	Memory Clock	Other Changes
AMD Radeon HD 7450 1 GB	750 MHz	800 MHz	1024 MB
HP HD 7450 1 GB	625 MHz	800 MHz	1024 MB
HP HD 7450 DP 1 GB	625 MHz	800 MHz	1024 MB, 1x DVI 1x DisplayPort
MSI HD 7450 1 GB	625 MHz	800 MHz	1024 MB
PowerColor HD 7450 2 GB	625 MHz	500 MHz	2 GB, 1x DVI 1x HDMI 1x VGA
XFX HD 7450 1 GB	625 MHz	533 MHz	1024 MB