NVIDIA GeForce GTX 980 Ti vs NVIDIA GeForce GT 440 Mac Edition
We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 Ti 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 980 Ti 's Advantages
Released 4 years and 4 months late
Boost Clock1076MHz
More VRAM (6GB vs 1024GB)
Larger VRAM bandwidth (336.6GB/s vs 21.34GB/s)
2720 additional rendering cores
NVIDIA GeForce GT 440 Mac Edition 's Advantages
Lower TDP (65W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 980 Ti
+1848%
6.06 TFLOPS
GeForce GT 440 Mac Edition
0.311 TFLOPS
Graphics Card
Jun 2015
Release Date
Feb 2011
GeForce 900
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1076 MHz
Boost Clock
-
1753 MHz
Memory Clock
667 MHz
Memory
6GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
128bit
336.6GB/s
Bandwidth
21.34GB/s
Render Config
-
-
-
-
SM Count
2
2816
Shading Units
96
176
TMUs
16
96
ROPs
4
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
64 KB (per SM)
3 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
103.3 GPixel/s
Pixel Rate
3.240 GPixel/s
189.4 GTexel/s
Texture Rate
12.96 GTexel/s
-
-
-
6.060 TFLOPS
FP32 (float)
311.0 GFLOPS
189.4 GFLOPS
FP64 (double)
25.92 GFLOPS
Board Design
250W
TDP
65W
600 W
Suggested PSU
250 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
GM200
GPU Name
GF108
GM200-310-A1
GPU Variant
GF108-400-A1
Maxwell 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
8 billion
Transistors
0.585 billion
601 mm²
Die Size
116 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.2
CUDA
2.1
6.4
Shader Model
5.1
