AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce GT 740A
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM GeForce GT 740A 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 9 months late
Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)
640 additional rendering cores
NVIDIA GeForce GT 740A 's Advantages
Lower TDP (33W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+160%
1.962 TFLOPS
GeForce GT 740A
0.753 TFLOPS
Graphics Card
May 2015
Release Date
Aug 2013
Crystal System
Generation
GeForce 700A
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
-
-
-
-
-
1365 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
14.40GB/s
Render Config
16
Compute Units
-
-
-
-
1024
Shading Units
384
64
TMUs
32
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
7.840 GPixel/s
61.31 GTexel/s
Texture Rate
31.36 GTexel/s
-
-
-
1.962 TFLOPS
FP32 (float)
752.6 GFLOPS
122.6 GFLOPS
FP64 (double)
31.36 GFLOPS
Board Design
80W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
GK208
Pitcairn PRO
(215-0828062)
GPU Variant
GT 740M
GCN 1.0
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
1.02 billion
212 mm²
Die Size
87 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
3.5
5.1
Shader Model
5.1
