NVIDIA GeForce GTX 480 Core 512 vs NVIDIA GeForce GTX 660

Graphics Processor

GPU model GF100 GK106
GPU variant GF100-ES-DT1-A2 GK106-400-A1
Architecture Fermi Kepler
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 3,100 million 2,540 million
Die size 529 mm² 221 mm²

Graphics Card

Release date Never Released Sep 6th, 2012
Generation GeForce 400 GeForce 600
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 3.0 x16
Reviews 84 in our database 77 in our database
Predecessor GeForce 200 GeForce 500
Successor GeForce 500 GeForce 700
Launch price 229 USD

Clocks

GPU clock 527 MHz
Shader clock 1053 MHz
Memory clock 700 MHz 2.8 Gbps effective 1502 MHz 6 Gbps effective
Base clock 980 MHz
Boost clock 1032 MHz

Memory Configuration

Memory size 1536 MB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 384 bit 192 bit
Bandwidth 134.4 GB/s 144.2 GB/s

Render Configuration

Shading units 512 960
TMUs 64 80
ROPs 48 24
SM count 16
Cache L1 64 KB (per SM) 16 KB (per SMX)
Cache L2 768 KB 384 KB
SMX count 5

Performance

Pixel rate 16.86 GPixel/s 20.64 GPixel/s
Texture rate 33.73 GTexel/s 82.56 GTexel/s
FP32 (float) performance 1,078 GFLOPS 1.981 TFLOPS
FP64 (double) performance 82.56 GFLOPS (1:24)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 292 mm 11.5 inches 241 mm 9.5 inches
TDP 375 W 140 W
Suggested PSU 750 W 300 W
Outputs 2x DVI1x mini-HDMI 2x DVI1x HDMI1x DisplayPort
Power connectors 2x 8-pin 1x 6-pin
Board number P1022 P2030

API Support & Features

DirectX 12 (11_0) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 1.1 3.0
Vulkan 1.1
CUDA 2.0 3.0
Shader model 5.1 5.1

Other Features

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