NVIDIA GeForce GTX 680 Mac Edition vs AMD Radeon R9 280X
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 3GB VRAM Radeon R9 280X 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 6% (1058MHz vs 1000MHz)
Lower TDP (195W vs 250W)
AMD Radeon R9 280X 's Advantages
Released 6 months late
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 192.3GB/s)
512 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
3.25 TFLOPS
Radeon R9 280X
+26%
4.096 TFLOPS
Graphics Card
Apr 2013
Release Date
Oct 2013
GeForce 600
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1006 MHz
Base Clock
850 MHz
1058 MHz
Boost Clock
1000 MHz
1502 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
192.3GB/s
Bandwidth
288.0GB/s
Render Config
-
Compute Units
32
-
-
-
1536
Shading Units
2048
128
TMUs
128
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
32.00 GPixel/s
135.4 GTexel/s
Texture Rate
128.0 GTexel/s
-
-
-
3.250 TFLOPS
FP32 (float)
4.096 TFLOPS
135.4 GFLOPS
FP64 (double)
1024 GFLOPS
Board Design
195W
TDP
250W
450 W
Suggested PSU
600 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x 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 XTL
(215-0821065)
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
