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GPU Comparison
NVIDIA GeForce GTX 555 OEM vs NVIDIA GeForce GTX 660
NVIDIA GeForce GTX 555 OEM vs NVIDIA GeForce GTX 660
VS
NVIDIA GeForce GTX 555 OEM
NVIDIA GeForce GTX 660
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 555 OEM and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 's Advantages
Released 1 years and 4 months late
Boost Clock1032MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (144.2GB/s vs 91.87GB/s)
672 additional rendering cores
Lower TDP (140W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 555 OEM
0.848 TFLOPS
GeForce GTX 660
+133%
1.981 TFLOPS
GeForce GTX 555 OEM
VS
GeForce GTX 660
Graphics Card
May 2011
Release Date
Sep 2012
GeForce 500
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
957 MHz
Memory Clock
1502 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
192bit
91.87GB/s
Bandwidth
144.2GB/s
Render Config
6
SM Count
-
-
Compute Units
-
288
Shading Units
960
48
TMUs
80
24
ROPs
24
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
384 KB
L2 Cache
384 KB
Theoretical Performance
8.832 GPixel/s
Pixel Rate
20.64 GPixel/s
35.33 GTexel/s
Texture Rate
82.56 GTexel/s
-
FP16 (half)
-
847.9 GFLOPS
FP32 (float)
1.981 TFLOPS
70.66 GFLOPS
FP64 (double)
82.56 GFLOPS
Graphics Processor
GF114
GPU Name
GK106
GF114-200-KB-A1
GPU Variant
GK106-400-A1
Fermi 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.95 billion
Transistors
2.54 billion
332 mm²
Die Size
221 mm²
Board Design
150W
TDP
140W
450 W
Suggested PSU
300 W
2x DVI 1x mini-HDMI 1.3a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
2.1
CUDA
3.0
5.1
Shader Model
5.1
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