NVIDIA GeForce GTX 470 X2 vs NVIDIA GeForce GT 440 Mac Edition
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 470 X2 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 470 X2 's Advantages
Larger VRAM bandwidth (107.1GB/s vs 21.34GB/s)
256 additional rendering cores
NVIDIA GeForce GT 440 Mac Edition 's Advantages
Lower TDP (65W vs 215W)
Score
Benchmark
FP32 (float)
GeForce GTX 470 X2
+174%
0.855 TFLOPS
GeForce GT 440 Mac Edition
0.311 TFLOPS
Graphics Card
Unknown
Release Date
Feb 2011
GeForce 400
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
-
-
-
-
-
837 MHz
Memory Clock
667 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
107.1GB/s
Bandwidth
21.34GB/s
Render Config
-
-
-
11
SM Count
2
352
Shading Units
96
44
TMUs
16
32
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
13.38 GPixel/s
Pixel Rate
3.240 GPixel/s
26.75 GTexel/s
Texture Rate
12.96 GTexel/s
-
-
-
855.4 GFLOPS
FP32 (float)
311.0 GFLOPS
-
FP64 (double)
25.92 GFLOPS
Board Design
215W
TDP
65W
550 W
Suggested PSU
250 W
3x DVI
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
2x 8-pin
Power Connectors
None
Graphics Processor
GF100
GPU Name
GF108
GF100-030-A3
GPU Variant
GF108-400-A1
Fermi
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
3.1 billion
Transistors
0.585 billion
529 mm²
Die Size
116 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.0
CUDA
2.1
5.1
Shader Model
5.1
