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AMD Radeon HD 7450M

Graphics Processor
Seymour
Cores
160
TMUs
8
ROPs
4
Memory Size
1024 MB
Memory Type
GDDR5
Bus Width
64 bit

Graphics Processor

GPU Name
Seymour
GPU Variant
Seymour PRO
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
370 million
Die Size
67 mm²

Mobile Graphics

Release Date
Jan 7th, 2012
Generation
London
(HD 7400M)
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Clock Speeds

GPU Clock
700 MHz
Memory Clock
900 MHz
800 MHz (-11%)
1800 MHz effective
3200 MHz effective

Memory

Memory Size
1024 MB
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
Bandwidth
14.40 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
2.800 GPixel/s
Texture Rate
5.600 GTexel/s
FP32 (float) performance
224.0 GFLOPS

Board Design

TDP
7 W
Outputs
No outputs

Graphics Features

DirectX
11.2 (11_0)
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Shader Model
5.0

Card Notes

Rebranded HD 6450M

Seymour GPU Notes

Architecture Codename: Northern Islands
Chip Variant: Caicos
Graphics/Compute: GFX4
Display Core Engine: 5.0
Unified Video Decoder: 3.1

Other retail boards based on this design (1)

Name GPU Clock Memory Clock Other Changes
AMD Radeon HD 7450M 700 MHz 800 MHz GDDR5