Radeon Pro Vega 56 vs GeForce GTX 660M Mac Edition
We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro Vega 56 and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon Pro Vega 56 's Advantages
Released 4 years and 4 months late
Boost Clock1250MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (402.4GB/s vs 80.00GB/s)
3200 additional rendering cores
GeForce GTX 660M Mac Edition 's Advantages
Lower TDP (50W vs 210W)
Score
Benchmark
FP32 (float)
Radeon Pro Vega 56
+1127%
8960
GeForce GTX 660M Mac Edition
730
Graphics Card
Aug 2017
Release Date
Apr 2013
Radeon Pro Mac
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
1138 MHz
Base Clock
-
1250 MHz
Boost Clock
-
786 MHz
Memory Clock
1250 MHz
Memory
8GB
Memory Size
512MB
HBM2
Memory Type
GDDR5
2048bit
Memory Bus
128bit
402.4GB/s
Bandwidth
80.00GB/s
Render Config
56
Compute Units
-
3584
Shading Units
384
224
TMUs
32
64
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
256 KB
Theoretical Performance
80.00 GPixel/s
Pixel Rate
7.600 GPixel/s
280.0 GTexel/s
Texture Rate
30.40 GTexel/s
17.92 TFLOPS
FP16 (half)
-
8.960 TFLOPS
FP32 (float)
729.6 GFLOPS
560.0 GFLOPS
FP64 (double)
30.40 GFLOPS
Board Design
210W
TDP
50W
1x HDMI 2.0b
3x DisplayPort 1.4a
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Vega 10
GPU Name
GK107
Vega 10 XL
(215-0894216)
GPU Variant
-
GCN 5.0
Architecture
Kepler
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
12.5 billion
Transistors
1.27 billion
495 mm²
Die Size
118 mm²
Graphics Features
12 (12_1)
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