GeForce GTX 560 Ti X2 vs GeForce GTX 780 Ti Engineering Sample
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 560 Ti X2 and 3GB VRAM GeForce GTX 780 Ti Engineering Sample to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 560 Ti X2 's Advantages
Lower TDP (170W vs 250W)
GeForce GTX 780 Ti Engineering Sample 's Advantages
Boost Clock928MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (336.6GB/s vs 128.3GB/s)
2496 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 560 Ti X2
1306
GeForce GTX 780 Ti Engineering Sample
+309%
5345
Graphics Card
Jan 2011
Release Date
Unknown
GeForce 500
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
875 MHz
-
Boost Clock
928 MHz
1002 MHz
Memory Clock
1753 MHz
Memory
1024MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
128.3GB/s
Bandwidth
336.6GB/s
Render Config
8
SM Count
-
384
Shading Units
2880
64
TMUs
240
32
ROPs
48
64 KB (per SM)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
1536 KB
Theoretical Performance
13.60 GPixel/s
Pixel Rate
55.68 GPixel/s
54.40 GTexel/s
Texture Rate
222.7 GTexel/s
1306 GFLOPS
FP32 (float)
5.345 TFLOPS
108.8 GFLOPS
FP64 (double)
222.7 GFLOPS
Board Design
170W
TDP
250W
450 W
Suggested PSU
600 W
3x DVI
1x mini-HDMI 1.3a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GF114
GPU Name
GK180
GF114-400-A1
GPU Variant
GK180-425-A1
Fermi 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.95 billion
Transistors
7.08 billion
332 mm²
Die Size
561 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.2.175
2.1
CUDA
3.5
5.1
Shader Model
5.1
