NVIDIA GeForce GTX 780 Ti Engineering Sample vs NVIDIA GeForce GTX 550 Ti
We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 1024MB VRAM GeForce GTX 550 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages
Boost Clock928MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (336.6GB/s vs 98.50GB/s)
2688 additional rendering cores
NVIDIA GeForce GTX 550 Ti 's Advantages
Lower TDP (116W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 780 Ti Engineering Sample
+673%
5.345 TFLOPS
GeForce GTX 550 Ti
0.691 TFLOPS
Graphics Card
Unknown
Release Date
Mar 2011
GeForce 700
Generation
GeForce 500
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
875 MHz
Base Clock
-
928 MHz
Boost Clock
-
1753 MHz
Memory Clock
1026 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
192bit
336.6GB/s
Bandwidth
98.50GB/s
Render Config
-
-
-
-
SM Count
4
2880
Shading Units
192
240
TMUs
32
48
ROPs
24
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
1536 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
55.68 GPixel/s
Pixel Rate
7.200 GPixel/s
222.7 GTexel/s
Texture Rate
28.80 GTexel/s
-
-
-
5.345 TFLOPS
FP32 (float)
691.2 GFLOPS
222.7 GFLOPS
FP64 (double)
57.60 GFLOPS
Board Design
250W
TDP
116W
600 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x mini-HDMI 1.3a
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GK180
GPU Name
GF116
GK180-425-A1
GPU Variant
GF116-400-A1
Kepler
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
7.08 billion
Transistors
1.17 billion
561 mm²
Die Size
238 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.2.175
Vulkan
N/A
3.5
CUDA
2.1
5.1
Shader Model
5.1
