Home GPU Comparison NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 745 OEM

NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 745 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 4GB VRAM GeForce GTX 745 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages
Boost Clock980MHz
Larger VRAM bandwidth (144.2GB/s vs 28.80GB/s)
960 additional rendering cores
NVIDIA GeForce GTX 745 OEM 's Advantages
Released 1 years and 6 months late
More VRAM (4GB vs 2GB)
Lower TDP (55W vs 150W)

Score

Benchmark

FP32 (float)
GeForce GTX 660 Ti +232%
2.634 TFLOPS
GeForce GTX 745 OEM
0.793 TFLOPS
Blender
GeForce GTX 660 Ti +155%
138
GeForce GTX 745 OEM
54
OctaneBench
GeForce GTX 660 Ti +31%
21
GeForce GTX 745 OEM
16
VS

Graphics Card

Aug 2012
Release Date
Feb 2014
GeForce 600
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

915 MHz
Base Clock
-
980 MHz
Boost Clock
-
1502 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
4GB
GDDR5
Memory Type
DDR3
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
28.80GB/s

Render Config

-
SM Count
-
-
Compute Units
-
1344
Shading Units
384
112
TMUs
24
24
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
64 KB (per SMM)
384 KB
L2 Cache
2 MB

Theoretical Performance

27.44 GPixel/s
Pixel Rate
16.53 GPixel/s
109.8 GTexel/s
Texture Rate
24.79 GTexel/s
-
FP16 (half)
-
2.634 TFLOPS
FP32 (float)
793.3 GFLOPS
109.8 GFLOPS
FP64 (double)
24.79 GFLOPS

Graphics Processor

GK104
GPU Name
GM107
GK104-300-KD-A2
GPU Variant
GM107-220-A2
Kepler
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
1.87 billion
294 mm²
Die Size
148 mm²

Board Design

150W
TDP
55W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0 1x VGA
2x 6-pin
Power Connectors
None

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
5.0
5.1
Shader Model
5.1

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