NVIDIA T400 vs NVIDIA GeForce GT 440 Mac Edition
We compared two Desktop platform GPUs: 2GB VRAM T400 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 T400 's Advantages
Released 10 years and 3 months late
Boost Clock1425MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (80.00GB/s vs 21.34GB/s)
288 additional rendering cores
Lower TDP (30W vs 65W)
Score
Benchmark
FP32 (float)
T400
+251%
1.094 TFLOPS
GeForce GT 440 Mac Edition
0.311 TFLOPS
Graphics Card
May 2021
Release Date
Feb 2011
Quadro
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
420 MHz
Base Clock
-
1425 MHz
Boost Clock
-
1250 MHz
Memory Clock
667 MHz
Memory
2GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
64bit
Memory Bus
128bit
80.00GB/s
Bandwidth
21.34GB/s
Render Config
-
-
-
6
SM Count
2
384
Shading Units
96
24
TMUs
16
16
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
22.80 GPixel/s
Pixel Rate
3.240 GPixel/s
34.20 GTexel/s
Texture Rate
12.96 GTexel/s
2.189 TFLOPS
FP16 (half)
-
1094 GFLOPS
FP32 (float)
311.0 GFLOPS
34.20 GFLOPS
FP64 (double)
25.92 GFLOPS
Board Design
30W
TDP
65W
200 W
Suggested PSU
250 W
3x mini-DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
None
Power Connectors
None
Graphics Processor
TU117
GPU Name
GF108
-
GPU Variant
GF108-400-A1
Turing
Architecture
Fermi
TSMC
Foundry
TSMC
12 nm
Process Size
40 nm
4.7 billion
Transistors
0.585 billion
200 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
7.5
CUDA
2.1
6.6
Shader Model
5.1
