AMD Radeon HD 6430M vs AMD Radeon HD 6450

Table of Contents

Graphics Processor

GPU model Seymour Caicos
GPU variant Seymour LP Caicos PRO
Architecture TeraScale 2 TeraScale 2
Foundry TSMC TSMC
Manufacturing process 40 nm 40 nm
Number of transistors 370 million 370 million
Die size 67 mm² 67 mm²

Mobile graphics

Release date Jan 4th, 2011
Generation Vancouver (HD 6400M)
Production End-of-life
Interface PCIe 2.0 x16
Predecessor Manhattan
Successor London

Clocks

GPU clock 480 MHz 625 MHz
Memory clock 800 MHz 1600 Mbps effective 800 MHz 3.2 Gbps effective

Memory Configuration

Memory size 1024 MB 512 MB
Memory type DDR3 GDDR5
Memory bus width 64 bit 64 bit
Bandwidth 12.80 GB/s 25.60 GB/s

Render Configuration

Shading units 160 160
TMUs 8 8
ROPs 4 4
Compute units 2 2
Cache L1 8 KB (per CU) 8 KB (per CU)
Cache L2 128 KB 128 KB

Performance

Pixel rate 1.920 GPixel/s 2.500 GPixel/s
Texture rate 3.840 GTexel/s 5.000 GTexel/s
FP32 (float) performance 153.6 GFLOPS 200.0 GFLOPS

Dimensions & Outputs

TDP unknown 18 W
Outputs No outputs 1x DVI1x HDMI1x VGA
Slot width Single-slot
Length 168 mm 6.6 inches
Suggested PSU 200 W
Power connectors None
Board number C264

API Support & Features

DirectX 11.2 (11_0) 11.2 (11_0)
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan
Shader model 5.0 5.0

Other Features

Graphics Card

Release date Apr 7th, 2011
Generation Northern Islands
Production End-of-life
Launch price 55 USD
Interface PCIe 2.0 x16
Reviews 14 in our database
Predecessor Evergreen
Successor Southern Islands

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