NVIDIA GeForce GTX 680 Mac Edition vs AMD Radeon R9 280
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 3GB VRAM Radeon R9 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Boost Clock has increased by 13% (1058MHz vs 933MHz)
Lower TDP (195W vs 200W)
AMD Radeon R9 280 's Advantages
Released 11 months late
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (240.0GB/s vs 192.3GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
3.25 TFLOPS
Radeon R9 280
+2%
3.344 TFLOPS
Graphics Card
Apr 2013
Release Date
Mar 2014
GeForce 600
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1006 MHz
Base Clock
827 MHz
1058 MHz
Boost Clock
933 MHz
1502 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
192.3GB/s
Bandwidth
240.0GB/s
Render Config
-
Compute Units
28
-
-
-
1536
Shading Units
1792
128
TMUs
112
32
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
768 KB
-
-
-
Theoretical Performance
33.86 GPixel/s
Pixel Rate
29.86 GPixel/s
135.4 GTexel/s
Texture Rate
104.5 GTexel/s
-
-
-
3.250 TFLOPS
FP32 (float)
3.344 TFLOPS
135.4 GFLOPS
FP64 (double)
836.0 GFLOPS
Board Design
195W
TDP
200W
450 W
Suggested PSU
550 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GK104
GPU Name
Tahiti
GK104-400-A2
GPU Variant
Tahiti PRO3
(215-0821330)
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
4.313 billion
294 mm²
Die Size
352 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
5.1
