GeForce GTX 660 Ti vs GeForce GTX 285 Mac Edition
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM GeForce GTX 285 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Released 3 years and 7 months late
Boost Clock980MHz
More VRAM (2GB vs 1024GB)
1104 additional rendering cores
Lower TDP (150W vs 204W)
GeForce GTX 285 Mac Edition 's Advantages
Larger VRAM bandwidth (159.0GB/s vs 144.2GB/s)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
+272%
2634
GeForce GTX 285 Mac Edition
708
Graphics Card
Aug 2012
Release Date
Jan 2009
GeForce 600
Generation
GeForce 200
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
915 MHz
Base Clock
-
980 MHz
Boost Clock
-
1502 MHz
Memory Clock
1242 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
192bit
Memory Bus
512bit
144.2GB/s
Bandwidth
159.0GB/s
Render Config
-
SM Count
30
1344
Shading Units
240
112
TMUs
80
24
ROPs
32
16 KB (per SMX)
L1 Cache
-
384 KB
L2 Cache
256 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
20.74 GPixel/s
109.8 GTexel/s
Texture Rate
51.84 GTexel/s
2.634 TFLOPS
FP32 (float)
708.5 GFLOPS
109.8 GFLOPS
FP64 (double)
88.56 GFLOPS
Board Design
150W
TDP
204W
450 W
Suggested PSU
550 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x S-Video
2x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
GK104
GPU Name
GT200B
GK104-300-KD-A2
GPU Variant
G200-350-B3
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
3.54 billion
Transistors
1.4 billion
294 mm²
Die Size
470 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
1.3
5.1
Shader Model
4.0
