AMD Radeon R9 280 vs NVIDIA GeForce GTX 780M Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
Nov 2013
Generation
Volcanic Islands
GeForce 700M
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
827 MHz
771 MHz
Boost Clock
933 MHz
797 MHz
Memory Clock
1250 MHz
1250 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
160.0GB/s
Render Config
Compute Units
28
-
Shading Units
1792
1536
TMUs
112
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
512 KB
Theoretical Performance
Pixel Rate
29.86 GPixel/s
25.50 GPixel/s
Texture Rate
104.5 GTexel/s
102.0 GTexel/s
FP32 (float)
3.344 TFLOPS
2.448 TFLOPS
FP64 (double)
836.0 GFLOPS
102.0 GFLOPS
Graphics Processor
GPU Name
Tahiti
GK104
GPU Variant
Tahiti PRO3(215-0821330)
N14E-GTX-A2
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
3.54 billion
Die Size
352 mm²
294 mm²
Board Design
TDP
200W
122W
Suggested PSU
550 W
-
Outputs
1x DVI2x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
-
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.1
Shader Model
5.1
5.1
CUDA
-
3.0