GeForce GTX 970 vs GeForce GTX 680 Mac Edition
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 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 970 's Advantages
Released 1 years and 5 months late
Boost Clock has increased by 11% (1178MHz vs 1058MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.4GB/s vs 192.3GB/s)
128 additional rendering cores
Lower TDP (148W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 970
+20%
3920
GeForce GTX 680 Mac Edition
3250
Graphics Card
Sep 2014
Release Date
Apr 2013
GeForce 900
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1050 MHz
Base Clock
1006 MHz
1178 MHz
Boost Clock
1058 MHz
1753 MHz
Memory Clock
1502 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
224.4GB/s
Bandwidth
192.3GB/s
Render Config
1664
Shading Units
1536
104
TMUs
128
56
ROPs
32
48 KB (per SMM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
512 KB
Theoretical Performance
65.97 GPixel/s
Pixel Rate
33.86 GPixel/s
122.5 GTexel/s
Texture Rate
135.4 GTexel/s
3.920 TFLOPS
FP32 (float)
3.250 TFLOPS
122.5 GFLOPS
FP64 (double)
135.4 GFLOPS
Board Design
148W
TDP
195W
300 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
2x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
GM204
GPU Name
GK104
GM204-200-A1
GPU Variant
GK104-400-A2
Maxwell 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5.2 billion
Transistors
3.54 billion
398 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
