NVIDIA GeForce GT 755M Mac Edition vs AMD Radeon R9 M385
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 755M Mac Edition and 4GB VRAM Radeon R9 M385 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 755M Mac Edition 's Advantages
Larger VRAM bandwidth (80.00GB/s vs 76.80GB/s)
AMD Radeon R9 M385 's Advantages
Released 1 years and 6 months late
Boost Clock1000MHz
More VRAM (4GB vs 1024GB)
512 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 755M Mac Edition
0.833 TFLOPS
Radeon R9 M385
+115%
1.792 TFLOPS
Graphics Card
Nov 2013
Release Date
May 2015
GeForce 700M
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
1000 MHz
1250 MHz
Memory Clock
1200 MHz
Memory
1024MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
80.00GB/s
Bandwidth
76.80GB/s
Render Config
-
Compute Units
14
-
-
-
384
Shading Units
896
32
TMUs
56
16
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
8.680 GPixel/s
Pixel Rate
16.00 GPixel/s
34.72 GTexel/s
Texture Rate
56.00 GTexel/s
-
-
-
833.3 GFLOPS
FP32 (float)
1.792 TFLOPS
34.72 GFLOPS
FP64 (double)
112.0 GFLOPS
Board Design
50W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
GK107
GPU Name
Strato
GT 755M
GPU Variant
Strato XT
Kepler
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
2.08 billion
118 mm²
Die Size
160 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2.170
3.0
CUDA
-
5.1
Shader Model
6.5
