Sapphire HD 6450 OC GDDR5

100321DDR5L

Graphics Processor

Caicos

Cores

160

TMUs

ROPs

Memory Size

512 MB

Memory Type

GDDR5

Bus Width

64 bit

GPU

Graphics Processor

GPU Name: Caicos

GPU Variant: Caicos PRO

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: Apr 7th, 2011

Generation: Northern Islands
(HD 6400)

Predecessor: Evergreen

Successor: Southern Islands

Production: End-of-life

Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: ~~625 MHz~~
750 MHz (+20%)

Memory Clock: ~~500 MHz~~
800 MHz (+60%)
~~1000 Mbps effective~~
3.2 Gbps effective

Memory

Memory Size: 512 MB

Memory Type: ~~GDDR3~~
GDDR5

Memory Bus: 64 bit

Bandwidth: ~~8.000 GB/s~~
25.60 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~~
3.000 GPixel/s

Texture Rate: ~~5.000 GTexel/s~~
6.000 GTexel/s

FP32 (float): ~~200.0 GFLOPS~~
240.0 GFLOPS

Board Design

Slot Width: Single-slot

Length: 168 mm
6.6 inches

TDP: 18 W

Suggested PSU: 200 W

Outputs: 1x DVI
1x HDMI 1.3a
1x VGA
1x DVI
1x DisplayPort 1.1
1x VGA

Power Connectors: None

Board Number: 109-C26037-00A

Graphics Features

DirectX: 11.2 (11_0)

OpenGL: 4.4

OpenCL: 1.2

Vulkan: N/A

Shader Model: 5.0

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 (24)

Name	GPU Clock	Memory Clock	Other Changes
AMD Radeon HD 6450	750 MHz	900 MHz	GDDR5
AMD Radeon HD 6450 2 GB	650 MHz	533 MHz	2 GB, DDR3
AREZ HD 6450 Silent Low Profile 1 GB	625 MHz	600 MHz	1024 MB, DDR3
ASUS HD 6450 Silent Low Profile 1 GB	625 MHz	600 MHz	1024 MB
ASUS HD 6450 Silent Low Profile 2 GB	650 MHz	600 MHz	2 GB
GIGABYTE HD 6450 1 GB	625 MHz	550 MHz	1024 MB, DDR3, 183 mm/7.2 inches
GIGABYTE HD 6450 1 GB Rev. 2.0	625 MHz	500 MHz	1024 MB, DDR3
HIS HD 6450 Fan	625 MHz	500 MHz	DDR3, 180 mm/7.1 inches
HIS HD 6450 Fan 1 GB	625 MHz	500 MHz	1024 MB, DDR3, 180 mm/7.1 inches
HIS HD 6450 Fan 1 GB	625 MHz	500 MHz	1024 MB, DDR3, 180 mm/7.1 inches
HIS HD 6450 Fan 2 GB	625 MHz	500 MHz	2 GB, DDR3, 180 mm/7.1 inches
HIS HD 6450 Fan 2 GB	625 MHz	500 MHz	2 GB, DDR3, 180 mm/7.1 inches
HIS HD 6450 Silence 1 GB	625 MHz	500 MHz	1024 MB, DDR3, 180 mm/7.1 inches
HIS HD 6450 Silence 2 GB	625 MHz	500 MHz	2 GB, DDR3, 180 mm/7.1 inches
PCYES HD 6450 Low Profile 2 GB	625 MHz	667 MHz	2 GB, DDR3
Sapphire HD 6450 1 GB	625 MHz	800 MHz	1024 MB, DDR3, 180 mm/7.1 inches, Dual-slot, 2x DVI 1x HDMI
Sapphire HD 6450 FleX 1 GB	625 MHz	800 MHz	1024 MB, DDR3, 180 mm/7.1 inches, Dual-slot, 2x DVI 1x HDMI
Sapphire HD 6450 GDDR5	625 MHz	800 MHz	GDDR5, 1x DVI 1x DisplayPort 1x VGA
Sapphire HD 6450 Gold Edition 1 GB	625 MHz	667 MHz	1024 MB, DDR3
Sapphire HD 6450 Gold Edition 2 GB	625 MHz	667 MHz	2 GB, DDR3
Sapphire HD 6450 HyperMemory	625 MHz	667 MHz	146 mm/5.7 inches, 1x DVI 1x VGA 1x S-Video
Sapphire HD 6450 OC GDDR5	750 MHz	800 MHz	GDDR5, 1x DVI 1x DisplayPort 1x VGA
Sapphire HD 6450 Platinum Edition	625 MHz	800 MHz	GDDR5
XFX TSK HD 6450 X64	625 MHz	533 MHz	1024 MB, DDR3, 1x DVI