AMD Radeon HD 7450A vs NVIDIA GeForce 7800 GTX

Table of Contents

Graphics Processor

GPU model Caicos G70
Architecture TeraScale 2 Curie
Foundry TSMC TSMC
Manufacturing process 40 nm 110 nm
Number of transistors 370 million 302 million
Die size 67 mm² 333 mm²
GPU variant GF-7800-GTX-A2

Mobile graphics

Release date Jan 5th, 2012
Generation All-In-One (HD 7000)
Production End-of-life
Interface MXM-A (3.0)

Clocks

GPU clock 625 MHz 430 MHz
Memory clock 800 MHz 1600 Mbps effective 600 MHz 1200 Mbps effective

Memory Configuration

Memory size 512 MB 256 MB
Memory type GDDR3 GDDR3
Memory bus width 64 bit 256 bit
Bandwidth 12.80 GB/s 38.40 GB/s

Render Configuration

Shading units 160
TMUs 8 24
ROPs 4 16
Compute units 2
Cache L1 8 KB (per CU)
Cache L2 128 KB
Pixel shaders 24
Vertex shaders 8

Performance

Pixel rate 2.500 GPixel/s 6.880 GPixel/s
Texture rate 5.000 GTexel/s 10.32 GTexel/s
FP32 (float) performance 200.0 GFLOPS
Vertex rate 860.0 MVertices/s

Dimensions & Outputs

Slot width MXM Module Single-slot
TDP 25 W 86 W
Outputs No outputs 2x DVI1x S-Video
Length 228 mm 9 inches
Suggested PSU 250 W

API Support & Features

DirectX 11.2 (11_0) 9.0c (9_3)
OpenGL 4.4 2.1
OpenCL 1.2
Vulkan
Shader model 5.0 3.0

Other Features

Graphics Card

Release date Jun 22nd, 2005
Generation GeForce 7 PCIe
Production End-of-life
Launch price 599 USD
Interface PCIe 1.0 x16
Reviews 206 in our database
Predecessor GeForce 6 PCIe
Successor GeForce 8

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