AMD Radeon RX 580 Mobile vs NVIDIA GeForce GT 650M Mac Edition
We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile 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 RX 580 Mobile 's Advantages
Released 4 years and 9 months late
Boost Clock1077MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (256.0GB/s vs 80.26GB/s)
1920 additional rendering cores
NVIDIA GeForce GT 650M Mac Edition 's Advantages
Lower TDP (45W vs 100W)
Score
Benchmark
FP32 (float)
Radeon RX 580 Mobile
+618%
4.963 TFLOPS
GeForce GT 650M Mac Edition
0.691 TFLOPS
Graphics Card
Apr 2017
Release Date
Jul 2012
Mobility Radeon
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1077 MHz
Boost Clock
-
2000 MHz
Memory Clock
1254 MHz
Memory
8GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
256.0GB/s
Bandwidth
80.26GB/s
Render Config
36
Compute Units
-
-
-
-
2304
Shading Units
384
144
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
34.46 GPixel/s
Pixel Rate
7.200 GPixel/s
155.1 GTexel/s
Texture Rate
28.80 GTexel/s
4.963 TFLOPS
FP16 (half)
-
4.963 TFLOPS
FP32 (float)
691.2 GFLOPS
310.2 GFLOPS
FP64 (double)
28.80 GFLOPS
Board Design
100W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Polaris 20
GPU Name
GK107
Polaris 20M XT
GPU Variant
N13P-GT-W-A2
GCN 4.0
Architecture
Kepler
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
1.27 billion
232 mm²
Die Size
118 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
6.4
Shader Model
5.1
