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GPU Comparison
NVIDIA GeForce GT 440 Mac Edition vs NVIDIA GeForce GTX 780 Ti Engineering Sample
NVIDIA GeForce GT 440 Mac Edition vs NVIDIA GeForce GTX 780 Ti Engineering Sample
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 440 Mac Edition and 3GB VRAM GeForce GTX 780 Ti Engineering Sample to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 440 Mac Edition 's Advantages
Lower TDP (65W vs 250W)
NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages
Boost Clock928MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (336.6GB/s vs 21.34GB/s)
2784 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 440 Mac Edition
0.311 TFLOPS
GeForce GTX 780 Ti Engineering Sample
+1618%
5.345 TFLOPS
Graphics Card
Feb 2011
Release Date
Unknown
GeForce 400
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
875 MHz
-
Boost Clock
928 MHz
667 MHz
Memory Clock
1753 MHz
Memory
1024MB
Memory Size
3GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
384bit
21.34GB/s
Bandwidth
336.6GB/s
Render Config
-
-
-
2
SM Count
-
96
Shading Units
2880
16
TMUs
240
4
ROPs
48
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
3.240 GPixel/s
Pixel Rate
55.68 GPixel/s
12.96 GTexel/s
Texture Rate
222.7 GTexel/s
-
-
-
311.0 GFLOPS
FP32 (float)
5.345 TFLOPS
25.92 GFLOPS
FP64 (double)
222.7 GFLOPS
Board Design
65W
TDP
250W
250 W
Suggested PSU
600 W
1x DVI
1x HDMI 1.3a
1x VGA
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GF108
GPU Name
GK180
GF108-400-A1
GPU Variant
GK180-425-A1
Fermi
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.585 billion
Transistors
7.08 billion
116 mm²
Die Size
561 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.2.175
2.1
CUDA
3.5
5.1
Shader Model
5.1
