GeForce 6800 XT vs GeForce 8800 GT Mac Edition
We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 XT and 512MB VRAM GeForce 8800 GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 8800 GT Mac Edition Advantages
Released 2 years and 5 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (57.60GB/s vs 38.40GB/s)
112 additional rendering cores
Score
Graphics Card
Sep 2005
Release Date
Feb 2008
GeForce 6 AGP
Generation
GeForce 8
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 2.0 x16
Clock Speeds
600 MHz
Memory Clock
900 MHz
Memory
256MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
256bit
Memory Bus
256bit
38.40GB/s
Bandwidth
57.60GB/s
Render Config
-
SM Count
14
-
Shading Units
112
12
TMUs
56
8
ROPs
16
-
L2 Cache
64 KB
Theoretical Performance
3.600 GPixel/s
Pixel Rate
9.600 GPixel/s
5.400 GTexel/s
Texture Rate
33.60 GTexel/s
-
FP32 (float)
336.0 GFLOPS
Board Design
Unknown
TDP
125W
200 W
Suggested PSU
300 W
1x DVI
1x VGA
1x S-Video
1x VGA
1x S-Video
Outputs
2x DVI
1x Molex
Power Connectors
1x 6-pin
Graphics Processor
NV42
GPU Name
G92
6800 XT
GPU Variant
G92-270-A2
Curie
Architecture
Tesla
TSMC
Foundry
TSMC
110 nm
Process Size
65 nm
0.202 billion
Transistors
0.754 billion
222 mm²
Die Size
324 mm²
Graphics Features
9.0c (9_3)
DirectX
11.1 (10_0)
2.0 (full)
2.1 (partial)
2.1 (partial)
OpenGL
3.3
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
3.0
Shader Model
4.0
