NVIDIA GeForce GTX 680 vs NVIDIA GeForce GTX 750 Ti OEM
GPU Specs Compare
Graphics Card
Release Date
Mar 2012
Unknown
Generation
GeForce 600
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1006 MHz
1033 MHz
Boost Clock
1058 MHz
1098 MHz
Memory Clock
1502 MHz
1502 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
192.3GB/s
192.3GB/s
Render Config
Shading Units
1536
960
TMUs
128
80
ROPs
32
24
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
33.86 GPixel/s
21.96 GPixel/s
Texture Rate
135.4 GTexel/s
87.84 GTexel/s
FP32 (float)
3.250 TFLOPS
2.108 TFLOPS
FP64 (double)
135.4 GFLOPS
87.84 GFLOPS
Graphics Processor
GPU Name
GK104
GK106
GPU Variant
GK104-400-A2
-
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.54 billion
Die Size
294 mm²
221 mm²
Board Design
TDP
195W
150W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
-
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.2.175
1.1
CUDA
3.0
3.0
Shader Model
6.5 (5.1)
5.1