Home GPU Comparison NVIDIA GeForce GTX 780 Ti Engineering Sample vs NVIDIA GeForce GTX 680 Mac Edition

NVIDIA GeForce GTX 780 Ti Engineering Sample vs NVIDIA GeForce GTX 680 Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 2GB VRAM GeForce GTX 680 Mac Edition 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
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (336.6GB/s vs 192.3GB/s)
1344 additional rendering cores
NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Boost Clock has increased by 14% (1058MHz vs 928MHz)
Lower TDP (195W vs 250W)

Score

Benchmark

FP32 (float)
GeForce GTX 780 Ti Engineering Sample +64%
5.345 TFLOPS
GeForce GTX 680 Mac Edition
3.25 TFLOPS

Graphics Card

Unknown
Release Date
Apr 2013
GeForce 700
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

875 MHz
Base Clock
1006 MHz
928 MHz
Boost Clock
1058 MHz
1753 MHz
Memory Clock
1502 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
336.6GB/s
Bandwidth
192.3GB/s

Render Config

-
-
-
-
-
-
2880
Shading Units
1536
240
TMUs
128
48
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
1536 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

55.68 GPixel/s
Pixel Rate
33.86 GPixel/s
222.7 GTexel/s
Texture Rate
135.4 GTexel/s
-
-
-
5.345 TFLOPS
FP32 (float)
3.250 TFLOPS
222.7 GFLOPS
FP64 (double)
135.4 GFLOPS

Board Design

250W
TDP
195W
600 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin

Graphics Processor

GK180
GPU Name
GK104
GK180-425-A1
GPU Variant
GK104-400-A2
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
3.54 billion
561 mm²
Die Size
294 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.2.175
Vulkan
1.1
3.5
CUDA
3.0
5.1
Shader Model
5.1
© 2025 - TopCPU.net