GeForce GTX 660 Ti vs Radeon HD 5450
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 512MB VRAM Radeon HD 5450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Released 2 years and 6 months late
Boost Clock980MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (144.2GB/s vs 6.400GB/s)
1264 additional rendering cores
Radeon HD 5450 's Advantages
Lower TDP (19W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
+2432%
2634
Radeon HD 5450
104
Graphics Card
Aug 2012
Release Date
Feb 2010
GeForce 600
Generation
Evergreen
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
400 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
192bit
Memory Bus
64bit
144.2GB/s
Bandwidth
6.400GB/s
Render Config
-
Compute Units
2
1344
Shading Units
80
112
TMUs
8
24
ROPs
4
16 KB (per SMX)
L1 Cache
8 KB (per CU)
384 KB
L2 Cache
128 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
2.600 GPixel/s
109.8 GTexel/s
Texture Rate
5.200 GTexel/s
2.634 TFLOPS
FP32 (float)
104.0 GFLOPS
109.8 GFLOPS
FP64 (double)
-
Board Design
150W
TDP
19W
450 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
Cedar
GK104-300-KD-A2
GPU Variant
Cedar PRO
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.292 billion
294 mm²
Die Size
59 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
5.0