NVIDIA GeForce GT 740 vs NVIDIA GeForce GTX 660 OEM
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 740 and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 740 's Advantages
Released 1 years and 9 months late
Lower TDP (64W vs 130W)
NVIDIA GeForce GTX 660 OEM 's Advantages
Boost Clock888MHz
More VRAM (1536GB vs 1024GB)
Larger VRAM bandwidth (134.4GB/s vs 80.19GB/s)
768 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 740
0.763 TFLOPS
GeForce GTX 660 OEM
+168%
2.046 TFLOPS
3DMark Time Spy
GeForce GT 740
516
GeForce GTX 660 OEM
+131%
1194
3DMark Time Spy Extreme
GeForce GT 740
182
GeForce GTX 660 OEM
+42%
260
Graphics Card
May 2014
Release Date
Aug 2012
GeForce 700
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
823 MHz
-
Boost Clock
888 MHz
1253 MHz
Memory Clock
1400 MHz
Memory
1024MB
Memory Size
1536MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
192bit
80.19GB/s
Bandwidth
134.4GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
1152
32
TMUs
96
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
21.31 GPixel/s
31.78 GTexel/s
Texture Rate
85.25 GTexel/s
-
-
-
762.6 GFLOPS
FP32 (float)
2.046 TFLOPS
31.78 GFLOPS
FP64 (double)
85.25 GFLOPS
Board Design
64W
TDP
130W
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
GK104-200-KD-A2
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
