GeForce GT 740A vs Radeon R9 M390 Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 740A 's Advantages
Lower TDP (33W vs 80W)
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
Score
Benchmark
FP32 (float)
GeForce GT 740A
753
Radeon R9 M390 Mac Edition
+160%
1962
Graphics Card
Aug 2013
Release Date
May 2015
GeForce 700A
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Memory Clock
1365 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
174.7GB/s
Render Config
-
Compute Units
16
384
Shading Units
1024
32
TMUs
64
8
ROPs
32
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
7.840 GPixel/s
Pixel Rate
30.66 GPixel/s
31.36 GTexel/s
Texture Rate
61.31 GTexel/s
752.6 GFLOPS
FP32 (float)
1.962 TFLOPS
31.36 GFLOPS
FP64 (double)
122.6 GFLOPS
Board Design
33W
TDP
80W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK208
GPU Name
Pitcairn
GT 740M
GPU Variant
Pitcairn PRO
(215-0828062)
Kepler 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.02 billion
Transistors
2.8 billion
87 mm²
Die Size
212 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
3.5
CUDA
-
5.1
Shader Model
5.1