NVIDIA GeForce GT 440 Mac Edition vs NVIDIA GeForce 6800 XT
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 440 Mac Edition and 256MB VRAM GeForce 6800 XT 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 5 years and 5 months late
More VRAM (1024GB vs 256GB)
96 additional rendering cores
NVIDIA GeForce 6800 XT 's Advantages
Larger VRAM bandwidth (38.40GB/s vs 21.34GB/s)
Score
Graphics Card
Feb 2011
Release Date
Sep 2005
GeForce 400
Generation
GeForce 6 AGP
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
AGP 8x
Clock Speeds
-
-
-
-
-
-
667 MHz
Memory Clock
600 MHz
Memory
1024MB
Memory Size
256MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
256bit
21.34GB/s
Bandwidth
38.40GB/s
Render Config
-
-
-
2
SM Count
-
96
Shading Units
-
16
TMUs
12
4
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
256 KB
L2 Cache
-
-
-
-
Theoretical Performance
3.240 GPixel/s
Pixel Rate
3.600 GPixel/s
12.96 GTexel/s
Texture Rate
5.400 GTexel/s
-
-
-
311.0 GFLOPS
FP32 (float)
-
25.92 GFLOPS
FP64 (double)
-
Board Design
65W
TDP
Unknown
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
1x Molex
Graphics Processor
GF108
GPU Name
NV42
GF108-400-A1
GPU Variant
6800 XT
Fermi
Architecture
Curie
TSMC
Foundry
TSMC
40 nm
Process Size
110 nm
0.585 billion
Transistors
0.202 billion
116 mm²
Die Size
222 mm²
Graphics Features
12 (11_0)
DirectX
9.0c (9_3)
4.6
OpenGL
2.0 (full)
2.1 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
3.0
