Product Compare

NVIDIA GeForce GTX 970M vs NVIDIA GeForce GTX 660 Ti

GPU GPU
Graphics Card
Release Date Oct 2014 Aug 2012
Generation GeForce 900M GeForce 600
Type Mobile Desktop
Bus Interface MXM-B (3.0) PCIe 3.0 x16
Clock Speeds
Base Clock 924 MHz 915 MHz
Boost Clock 1038 MHz 980 MHz
Memory Clock 1253 MHz 1502 MHz
Memory
Memory Size 3GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 192bit 192bit
Bandwidth 120.3GB/s 144.2GB/s
Render Config
Shading Units 1280 1344
TMUs 80 112
ROPs 48 24
L1 Cache 48 KB (per SMM) 16 KB (per SMX)
L2 Cache 1536 KB 384 KB
Theoretical Performance
Pixel Rate 49.82 GPixel/s 27.44 GPixel/s
Texture Rate 83.04 GTexel/s 109.8 GTexel/s
FP32 (float) 2.657 TFLOPS 2.634 TFLOPS
FP64 (double) 83.04 GFLOPS 109.8 GFLOPS
Graphics Processor
GPU Name GM204 GK104
GPU Variant N16E-GT-A2 GK104-300-KD-A2
Architecture Maxwell 2.0 Kepler
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 5.2 billion 3.54 billion
Die Size 398 mm² 294 mm²
Board Design
TDP Unknown 150W
Outputs Portable Device Dependent 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors None 2x 6-pin
Suggested PSU 450 W
Graphics Features
DirectX 12 (12_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.3 1.1
CUDA 5.2 3.0
Shader Model 6.7 (6.4) 5.1