GeForce GTX 980 Ti vs GeForce GTX 680 Mac Edition
We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 Ti 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
GeForce GTX 980 Ti 's Advantages
Released 2 years and 2 months late
Boost Clock has increased by 2% (1076MHz vs 1058MHz)
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (336.6GB/s vs 192.3GB/s)
1280 additional rendering cores
GeForce GTX 680 Mac Edition 's Advantages
Lower TDP (195W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 980 Ti
+86%
6060
GeForce GTX 680 Mac Edition
3250
Graphics Card
Jun 2015
Release Date
Apr 2013
GeForce 900
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Base Clock
1006 MHz
1076 MHz
Boost Clock
1058 MHz
1753 MHz
Memory Clock
1502 MHz
Memory
6GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
336.6GB/s
Bandwidth
192.3GB/s
Render Config
2816
Shading Units
1536
176
TMUs
128
96
ROPs
32
48 KB (per SMM)
L1 Cache
16 KB (per SMX)
3 MB
L2 Cache
512 KB
Theoretical Performance
103.3 GPixel/s
Pixel Rate
33.86 GPixel/s
189.4 GTexel/s
Texture Rate
135.4 GTexel/s
6.060 TFLOPS
FP32 (float)
3.250 TFLOPS
189.4 GFLOPS
FP64 (double)
135.4 GFLOPS
Board Design
250W
TDP
195W
600 W
Suggested PSU
450 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GM200
GPU Name
GK104
GM200-310-A1
GPU Variant
GK104-400-A2
Maxwell 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
8 billion
Transistors
3.54 billion
601 mm²
Die Size
294 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.2
CUDA
3.0
6.4
Shader Model
5.1
