AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce GTX 780M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 4GB VRAM GeForce GTX 780M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M390 Mac Edition 's Advantages
Released 1 years and 6 months late
Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)
Lower TDP (80W vs 122W)
NVIDIA GeForce GTX 780M Mac Edition 's Advantages
Boost Clock797MHz
More VRAM (4GB vs 2GB)
512 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
1.962 TFLOPS
GeForce GTX 780M Mac Edition
+24%
2.448 TFLOPS
Graphics Card
May 2015
Release Date
Nov 2013
Crystal System
Generation
GeForce 700M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
771 MHz
-
Boost Clock
797 MHz
1365 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
160.0GB/s
Render Config
16
Compute Units
-
-
-
-
1024
Shading Units
1536
64
TMUs
128
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
25.50 GPixel/s
61.31 GTexel/s
Texture Rate
102.0 GTexel/s
-
-
-
1.962 TFLOPS
FP32 (float)
2.448 TFLOPS
122.6 GFLOPS
FP64 (double)
102.0 GFLOPS
Board Design
80W
TDP
122W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
GK104
Pitcairn PRO
(215-0828062)
GPU Variant
N14E-GTX-A2
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
3.54 billion
212 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
