NVIDIA GeForce GT 740 vs NVIDIA GeForce GTX 660 Rev. 2
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 740 and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 740 's Advantages
Lower TDP (64W vs 140W)
NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Boost Clock1032MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (144.2GB/s vs 80.19GB/s)
576 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 740
0.763 TFLOPS
GeForce GTX 660 Rev. 2
+159%
1.981 TFLOPS
Graphics Card
May 2014
Release Date
Sep 2014
GeForce 700
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
1253 MHz
Memory Clock
1502 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
192bit
80.19GB/s
Bandwidth
144.2GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
960
32
TMUs
80
16
ROPs
24
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
7.944 GPixel/s
Pixel Rate
20.64 GPixel/s
31.78 GTexel/s
Texture Rate
82.56 GTexel/s
-
-
-
762.6 GFLOPS
FP32 (float)
1.981 TFLOPS
31.78 GFLOPS
FP64 (double)
82.56 GFLOPS
Board Design
64W
TDP
140W
250 W
Suggested PSU
300 W
2x DVI
1x mini-HDMI 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GK107
GPU Name
GK104
GK107-425-A2
GPU Variant
-
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
3.54 billion
118 mm²
Die Size
294 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.0
CUDA
3.0
5.1
Shader Model
5.1
