NVIDIA GeForce 6800 XT vs NVIDIA GeForce 8600 GT
We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 XT and 512MB VRAM GeForce 8600 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 6800 XT 's Advantages
Larger VRAM bandwidth (38.40GB/s vs 22.40GB/s)
NVIDIA GeForce 8600 GT 's Advantages
Released 1 years and 7 months late
More VRAM (512GB vs 256GB)
32 additional rendering cores
Score
Graphics Card
Sep 2005
Release Date
Apr 2007
GeForce 6 AGP
Generation
GeForce 8
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
-
-
-
-
-
600 MHz
Memory Clock
700 MHz
Memory
256MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
256bit
Memory Bus
128bit
38.40GB/s
Bandwidth
22.40GB/s
Render Config
-
-
-
-
SM Count
4
-
Shading Units
32
12
TMUs
16
8
ROPs
8
-
-
-
-
-
-
-
-
-
-
L2 Cache
32 KB
-
-
-
Theoretical Performance
3.600 GPixel/s
Pixel Rate
4.320 GPixel/s
5.400 GTexel/s
Texture Rate
8.640 GTexel/s
-
-
-
-
FP32 (float)
76.16 GFLOPS
-
-
-
Board Design
Unknown
TDP
47W
200 W
Suggested PSU
200 W
1x DVI
1x VGA
1x S-Video
Outputs
2x DVI
1x S-Video
1x Molex
Power Connectors
None
Graphics Processor
NV42
GPU Name
G84
6800 XT
GPU Variant
G84-303-A2
Curie
Architecture
Tesla
TSMC
Foundry
TSMC
110 nm
Process Size
80 nm
0.202 billion
Transistors
0.289 billion
222 mm²
Die Size
169 mm²
Graphics Features
9.0c (9_3)
DirectX
11.1 (10_0)
2.0 (full)
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
