NVIDIA GeForce GTX 980 vs NVIDIA GeForce GTX 650 Ti
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Oct 2012
Generation
GeForce 900
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1127 MHz
-
Boost Clock
1216 MHz
-
Memory Clock
1753 MHz
1350 MHz
Memory
Memory Size
4GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
224.4GB/s
86.40GB/s
Render Config
Shading Units
2048
768
TMUs
128
64
ROPs
64
16
L1 Cache
48 KB (per SMM)
16 KB (per SMX)
L2 Cache
2 MB
256 KB
Theoretical Performance
Pixel Rate
77.82 GPixel/s
14.85 GPixel/s
Texture Rate
155.6 GTexel/s
59.39 GTexel/s
FP32 (float)
4.981 TFLOPS
1425 GFLOPS
FP64 (double)
155.6 GFLOPS
59.39 GFLOPS
Graphics Processor
GPU Name
GM204
GK106
GPU Variant
GM204-400-A1
GK106-220-A1
Architecture
Maxwell 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5.2 billion
2.54 billion
Die Size
398 mm²
221 mm²
Board Design
TDP
165W
110W
Suggested PSU
450 W
300 W
Outputs
1x DVI1x HDMI 2.03x DisplayPort 1.4a
2x DVI1x mini-HDMI 1.4a
Power Connectors
2x 6-pin
1x 6-pin
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
6.4
5.1