Radeon R5 M330 vs GeForce GTX 660M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M330 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 R5 M330 's Advantages
Released 2 years and 1 months late
Boost Clock1030MHz
More VRAM (2GB vs 512GB)
Lower TDP (18W vs 50W)
GeForce GTX 660M Mac Edition 's Advantages
Larger VRAM bandwidth (80.00GB/s vs 14.40GB/s)
64 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R5 M330
659
GeForce GTX 660M Mac Edition
+10%
730
Graphics Card
May 2015
Release Date
Apr 2013
Crystal System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
955 MHz
Base Clock
-
1030 MHz
Boost Clock
-
900 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
80.00GB/s
Render Config
5
Compute Units
-
320
Shading Units
384
20
TMUs
32
8
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
256 KB
Theoretical Performance
8.240 GPixel/s
Pixel Rate
7.600 GPixel/s
20.60 GTexel/s
Texture Rate
30.40 GTexel/s
659.2 GFLOPS
FP32 (float)
729.6 GFLOPS
41.20 GFLOPS
FP64 (double)
30.40 GFLOPS
Board Design
18W
TDP
50W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Exo
GPU Name
GK107
Exo PRO
GPU Variant
-
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.69 billion
Transistors
1.27 billion
56 mm²
Die Size
118 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1
