Home GPU Comparison NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GTX 780 Ti

NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GTX 780 Ti

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 3GB VRAM GeForce GTX 780 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages
Lower TDP (130W vs 250W)
NVIDIA GeForce GTX 780 Ti 's Advantages
Released 1 years and 3 months late
Boost Clock has increased by 5% (928MHz vs 888MHz)
More VRAM (3GB vs 1536GB)
Larger VRAM bandwidth (336.6GB/s vs 134.4GB/s)
1728 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 660 OEM
2.046 TFLOPS
GeForce GTX 780 Ti +161%
5.345 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Nov 2013
GeForce 600
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

823 MHz
Base Clock
875 MHz
888 MHz
Boost Clock
928 MHz
1400 MHz
Memory Clock
1753 MHz

Memory

1536MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
384bit
134.4GB/s
Bandwidth
336.6GB/s

Render Config

-
-
-
-
-
-
1152
Shading Units
2880
96
TMUs
240
24
ROPs
48
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
384 KB
L2 Cache
1536 KB
-
-
-

Theoretical Performance

21.31 GPixel/s
Pixel Rate
55.68 GPixel/s
85.25 GTexel/s
Texture Rate
222.7 GTexel/s
-
-
-
2.046 TFLOPS
FP32 (float)
5.345 TFLOPS
85.25 GFLOPS
FP64 (double)
222.7 GFLOPS

Board Design

130W
TDP
250W
300 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GK104
GPU Name
GK110B
GK104-200-KD-A2
GPU Variant
GK110-425-B1
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
7.08 billion
294 mm²
Die Size
561 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.0
CUDA
3.5
5.1
Shader Model
5.1

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