AMD Radeon R7 M270 vs NVIDIA GeForce GT 650M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 M270 and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 M270 's Advantages
Released 1 years and 6 months late
Boost Clock825MHz
More VRAM (2GB vs 512GB)
NVIDIA GeForce GT 650M Mac Edition 's Advantages
Larger VRAM bandwidth (80.26GB/s vs 28.80GB/s)
Score
Benchmark
FP32 (float)
Radeon R7 M270
0.633 TFLOPS
GeForce GT 650M Mac Edition
+9%
0.691 TFLOPS
Graphics Card
Jan 2014
Release Date
Jul 2012
Gem System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
725 MHz
Base Clock
-
825 MHz
Boost Clock
-
900 MHz
Memory Clock
1254 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
28.80GB/s
Bandwidth
80.26GB/s
Render Config
6
Compute Units
-
-
-
-
384
Shading Units
384
24
TMUs
32
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
6.600 GPixel/s
Pixel Rate
7.200 GPixel/s
19.80 GTexel/s
Texture Rate
28.80 GTexel/s
-
-
-
633.6 GFLOPS
FP32 (float)
691.2 GFLOPS
-
FP64 (double)
28.80 GFLOPS
Board Design
Unknown
TDP
45W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-
Graphics Processor
Opal
GPU Name
GK107
Opal XT
GPU Variant
N13P-GT-W-A2
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.95 billion
Transistors
1.27 billion
77 mm²
Die Size
118 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
3.0
1.2.170
Vulkan
1.1
-
CUDA
3.0
6.5 (5.1)
Shader Model
5.1
