NVIDIA GeForce GTX 780 Ti Engineering Sample vs NVIDIA GeForce 8800 Ultra
We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 768MB VRAM GeForce 8800 Ultra 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 768GB)
Larger VRAM bandwidth (336.6GB/s vs 103.7GB/s)
2752 additional rendering cores
NVIDIA GeForce 8800 Ultra 's Advantages
Lower TDP (171W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 780 Ti Engineering Sample
+1281%
5.345 TFLOPS
GeForce 8800 Ultra
0.387 TFLOPS
Graphics Card
Unknown
Release Date
May 2007
GeForce 700
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
875 MHz
Base Clock
-
928 MHz
Boost Clock
-
1753 MHz
Memory Clock
1080 MHz
Memory
3GB
Memory Size
768MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
384bit
336.6GB/s
Bandwidth
103.7GB/s
Render Config
-
-
-
-
SM Count
16
2880
Shading Units
128
240
TMUs
32
48
ROPs
24
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
1536 KB
L2 Cache
96 KB
-
-
-
Theoretical Performance
55.68 GPixel/s
Pixel Rate
14.69 GPixel/s
222.7 GTexel/s
Texture Rate
39.17 GTexel/s
-
-
-
5.345 TFLOPS
FP32 (float)
387.1 GFLOPS
222.7 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
171W
600 W
Suggested PSU
450 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
G80
GK180-425-A1
GPU Variant
G80-450-A3
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
90 nm
7.08 billion
Transistors
0.681 billion
561 mm²
Die Size
484 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1 (1.0)
1.2.175
Vulkan
N/A
3.5
CUDA
1.0
5.1
Shader Model
4.0
