Radeon R9 280 vs GeForce GTX 680 Mac Edition
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 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
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
GeForce GTX 680 Mac Edition 's Advantages
Boost Clock has increased by 13% (1058MHz vs 933MHz)
Lower TDP (195W vs 200W)
Score
Benchmark
FP32 (float)
Radeon R9 280
+2%
3344
GeForce GTX 680 Mac Edition
3250
Graphics Card
Mar 2014
Release Date
Apr 2013
Volcanic Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
827 MHz
Base Clock
1006 MHz
933 MHz
Boost Clock
1058 MHz
1250 MHz
Memory Clock
1502 MHz
Memory
3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
192.3GB/s
Render Config
28
Compute Units
-
1792
Shading Units
1536
112
TMUs
128
32
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per SMX)
768 KB
L2 Cache
512 KB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
33.86 GPixel/s
104.5 GTexel/s
Texture Rate
135.4 GTexel/s
3.344 TFLOPS
FP32 (float)
3.250 TFLOPS
836.0 GFLOPS
FP64 (double)
135.4 GFLOPS
Board Design
200W
TDP
195W
550 W
Suggested PSU
450 W
1x DVI
2x 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
Tahiti
GPU Name
GK104
Tahiti PRO3
(215-0821330)
GPU Variant
GK104-400-A2
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
3.54 billion
352 mm²
Die Size
294 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
5.1
Shader Model
5.1
