GeForce GTX 780 Ti vs GeForce GTX 650 Ti Boost
We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti and 2GB VRAM GeForce GTX 650 Ti Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 780 Ti Advantages
Released 8 months late
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (336.6GB/s vs 144.2GB/s)
2112 additional rendering cores
GeForce GTX 650 Ti Boost Advantages
Boost Clock has increased by 11% (1032MHz vs 928MHz)
Lower TDP (134W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 780 Ti
+237%
5345
GeForce GTX 650 Ti Boost
1585
Blender
GeForce GTX 780 Ti
+242%
353
GeForce GTX 650 Ti Boost
103
OctaneBench
GeForce GTX 780 Ti
+347%
103
GeForce GTX 650 Ti Boost
23
Graphics Card
Nov 2013
Release Date
Mar 2013
GeForce 700
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
875 MHz
Base Clock
980 MHz
928 MHz
Boost Clock
1032 MHz
1753 MHz
Memory Clock
1502 MHz
Memory
3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
192bit
336.6GB/s
Bandwidth
144.2GB/s
Render Config
2880
Shading Units
768
240
TMUs
64
48
ROPs
24
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
1536 KB
L2 Cache
384 KB
Theoretical Performance
55.68 GPixel/s
Pixel Rate
16.51 GPixel/s
222.7 GTexel/s
Texture Rate
66.05 GTexel/s
5.345 TFLOPS
FP32 (float)
1.585 TFLOPS
222.7 GFLOPS
FP64 (double)
66.05 GFLOPS
Board Design
250W
TDP
134W
600 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GK110B
GPU Name
GK106
GK110-425-B1
GPU Variant
GK106-240-A1
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
2.54 billion
561 mm²
Die Size
221 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.5
CUDA
3.0
5.1
Shader Model
5.1
