NVIDIA GeForce GTX 780 Ti Engineering Sample vs NVIDIA GeForce GTX 285
We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 1024MB VRAM GeForce GTX 285 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 159.0GB/s)
2640 additional rendering cores
NVIDIA GeForce GTX 285 's Advantages
Lower TDP (204W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 780 Ti Engineering Sample
+654%
5.345 TFLOPS
GeForce GTX 285
0.708 TFLOPS
Graphics Card
Unknown
Release Date
Dec 2008
GeForce 700
Generation
GeForce 200
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
1242 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
512bit
336.6GB/s
Bandwidth
159.0GB/s
Render Config
-
-
-
-
SM Count
30
2880
Shading Units
240
240
TMUs
80
48
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
1536 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
55.68 GPixel/s
Pixel Rate
20.74 GPixel/s
222.7 GTexel/s
Texture Rate
51.84 GTexel/s
-
-
-
5.345 TFLOPS
FP32 (float)
708.5 GFLOPS
222.7 GFLOPS
FP64 (double)
88.56 GFLOPS
Board Design
250W
TDP
204W
600 W
Suggested PSU
550 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GK180
GPU Name
GT200B
GK180-425-A1
GPU Variant
G200-350-B3
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
7.08 billion
Transistors
1.4 billion
561 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
1.2.175
Vulkan
N/A
3.5
CUDA
1.3
5.1
Shader Model
4.0
