GeForce GTX 660 Ti vs Radeon HD 2600 XT AGP
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 256MB VRAM Radeon HD 2600 XT 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 5 years and 2 months late
Boost Clock980MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (144.2GB/s vs 25.60GB/s)
1224 additional rendering cores
Radeon HD 2600 XT AGP 's Advantages
Lower TDP (45W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
+1271%
2634
Radeon HD 2600 XT AGP
192
Graphics Card
Aug 2012
Release Date
Jun 2007
GeForce 600
Generation
Radeon R600
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
800 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
25.60GB/s
Render Config
-
Compute Units
3
1344
Shading Units
120
112
TMUs
8
24
ROPs
4
16 KB (per SMX)
L1 Cache
-
384 KB
L2 Cache
64 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
3.200 GPixel/s
109.8 GTexel/s
Texture Rate
6.400 GTexel/s
2.634 TFLOPS
FP32 (float)
192.0 GFLOPS
109.8 GFLOPS
FP64 (double)
-
Board Design
150W
TDP
45W
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 6-pin
Graphics Processor
GK104
GPU Name
RV630
GK104-300-KD-A2
GPU Variant
RV630 XT
(215CDABKA15FG)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
3.54 billion
Transistors
0.39 billion
294 mm²
Die Size
153 mm²
Graphics Features
12 (11_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.0