GeForce GTX 660 Ti vs GeForce GTX 970
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 4GB VRAM GeForce GTX 970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 970 's Advantages
Released 2 years and 1 months late
Boost Clock has increased by 20% (1178MHz vs 980MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.4GB/s vs 144.2GB/s)
320 additional rendering cores
Lower TDP (148W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
2634
GeForce GTX 970
+48%
3920
3DMark Time Spy
GeForce GTX 660 Ti
1616
GeForce GTX 970
+125%
3646
Blender
GeForce GTX 660 Ti
169
GeForce GTX 970
+80%
305
OctaneBench
GeForce GTX 660 Ti
21
GeForce GTX 970
+266%
77
Graphics Card
Aug 2012
Release Date
Sep 2014
GeForce 600
Generation
GeForce 900
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
915 MHz
Base Clock
1050 MHz
980 MHz
Boost Clock
1178 MHz
1502 MHz
Memory Clock
1753 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
224.4GB/s
Render Config
1344
Shading Units
1664
112
TMUs
104
24
ROPs
56
16 KB (per SMX)
L1 Cache
48 KB (per SMM)
384 KB
L2 Cache
2 MB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
65.97 GPixel/s
109.8 GTexel/s
Texture Rate
122.5 GTexel/s
2.634 TFLOPS
FP32 (float)
3.920 TFLOPS
109.8 GFLOPS
FP64 (double)
122.5 GFLOPS
Board Design
150W
TDP
148W
450 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
2x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
GK104
GPU Name
GM204
GK104-300-KD-A2
GPU Variant
GM204-200-A1
Kepler
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
5.2 billion
294 mm²
Die Size
398 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
5.2
5.1
Shader Model
6.4
