NVIDIA GeForce GT 440 Mac Edition vs ATI Radeon X800 GTO
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 440 Mac Edition and 128MB VRAM Radeon X800 GTO 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
Released 3 years and 2 months late
More VRAM (1024GB vs 128GB)
96 additional rendering cores
ATI Radeon X800 GTO 's Advantages
Larger VRAM bandwidth (22.40GB/s vs 21.34GB/s)
Lower TDP (49W vs 65W)
Score
Graphics Card
Feb 2011
Release Date
Dec 2007
GeForce 400
Generation
Radeon R400 PCIe
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
-
-
-
-
-
667 MHz
Memory Clock
350 MHz
Memory
1024MB
Memory Size
128MB
DDR3
Memory Type
DDR
128bit
Memory Bus
256bit
21.34GB/s
Bandwidth
22.40GB/s
Render Config
-
-
-
2
SM Count
-
96
Shading Units
-
16
TMUs
12
4
ROPs
12
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
256 KB
L2 Cache
-
-
-
-
Theoretical Performance
3.240 GPixel/s
Pixel Rate
4.800 GPixel/s
12.96 GTexel/s
Texture Rate
4.800 GTexel/s
-
-
-
311.0 GFLOPS
FP32 (float)
-
25.92 GFLOPS
FP64 (double)
-
Board Design
65W
TDP
49W
250 W
Suggested PSU
200 W
1x DVI
1x HDMI 1.3a
1x VGA
Outputs
1x DVI
1x VGA
1x S-Video
None
Power Connectors
-
Graphics Processor
GF108
GPU Name
R423
GF108-400-A1
GPU Variant
R423 GTO
Fermi
Architecture
R400
TSMC
Foundry
TSMC
40 nm
Process Size
130 nm
0.585 billion
Transistors
0.16 billion
116 mm²
Die Size
289 mm²
Graphics Features
12 (11_0)
DirectX
9.0b (9_2)
4.6
OpenGL
2.1
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
-
