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