GeForce GTX 660 Ti vs Radeon X800 GTO AGP
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 256MB VRAM Radeon X800 GTO AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Released 4 years and 9 months late
Boost Clock980MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (144.2GB/s vs 31.36GB/s)
1344 additional rendering cores
Radeon X800 GTO AGP 's Advantages
Lower TDP (49W vs 150W)
Score
Graphics Card
Aug 2012
Release Date
Nov 2007
GeForce 600
Generation
Radeon R400 AGP
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
AGP 8x
Clock Speeds
915 MHz
Base Clock
-
980 MHz
Boost Clock
-
1502 MHz
Memory Clock
490 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
31.36GB/s
Render Config
1344
Shading Units
-
112
TMUs
12
24
ROPs
12
16 KB (per SMX)
L1 Cache
-
384 KB
L2 Cache
-
Theoretical Performance
27.44 GPixel/s
Pixel Rate
4.800 GPixel/s
109.8 GTexel/s
Texture Rate
4.800 GTexel/s
2.634 TFLOPS
FP32 (float)
-
109.8 GFLOPS
FP64 (double)
-
Board Design
150W
TDP
49W
450 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x VGA
1x S-Video
2x 6-pin
Power Connectors
1x Molex
Graphics Processor
GK104
GPU Name
R420
GK104-300-KD-A2
GPU Variant
R420 GTO
Kepler
Architecture
R400
TSMC
Foundry
TSMC
28 nm
Process Size
130 nm
3.54 billion
Transistors
0.16 billion
294 mm²
Die Size
281 mm²
Graphics Features
12 (11_0)
DirectX
9.0b (9_2)
4.6
OpenGL
2.1
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
-
