NVIDIA GeForce GTX 680 Mac Edition vs NVIDIA GeForce GTX 980
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 980 's Advantages
Released 1 years and 5 months late
Boost Clock has increased by 15% (1216MHz vs 1058MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.4GB/s vs 192.3GB/s)
512 additional rendering cores
Lower TDP (165W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
3.25 TFLOPS
GeForce GTX 980
+53%
4.981 TFLOPS
Graphics Card
Apr 2013
Release Date
Sep 2014
GeForce 600
Generation
GeForce 900
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1006 MHz
Base Clock
1127 MHz
1058 MHz
Boost Clock
1216 MHz
1502 MHz
Memory Clock
1753 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
192.3GB/s
Bandwidth
224.4GB/s
Render Config
-
-
-
-
-
-
1536
Shading Units
2048
128
TMUs
128
32
ROPs
64
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
48 KB (per SMM)
512 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
33.86 GPixel/s
Pixel Rate
77.82 GPixel/s
135.4 GTexel/s
Texture Rate
155.6 GTexel/s
-
-
-
3.250 TFLOPS
FP32 (float)
4.981 TFLOPS
135.4 GFLOPS
FP64 (double)
155.6 GFLOPS
Board Design
195W
TDP
165W
450 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
2x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
GK104
GPU Name
GM204
GK104-400-A2
GPU Variant
GM204-400-A1
Kepler
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
5.2 billion
294 mm²
Die Size
398 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
5.2
5.1
Shader Model
6.4
