AMD Radeon R9 M290X Mac Edition vs NVIDIA GeForce GTX 660M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition 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
AMD Radeon R9 M290X Mac Edition 's Advantages
Released 1 years and 7 months late
Boost Clock975MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (174.7GB/s vs 80.00GB/s)
640 additional rendering cores
NVIDIA GeForce GTX 660M Mac Edition 's Advantages
Lower TDP (50W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M290X Mac Edition
+173%
1.997 TFLOPS
GeForce GTX 660M Mac Edition
0.73 TFLOPS
Graphics Card
Nov 2014
Release Date
Apr 2013
Crystal System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
850 MHz
Base Clock
-
975 MHz
Boost Clock
-
1365 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
80.00GB/s
Render Config
16
Compute Units
-
-
-
-
1024
Shading Units
384
64
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
31.20 GPixel/s
Pixel Rate
7.600 GPixel/s
62.40 GTexel/s
Texture Rate
30.40 GTexel/s
-
-
-
1.997 TFLOPS
FP32 (float)
729.6 GFLOPS
124.8 GFLOPS
FP64 (double)
30.40 GFLOPS
Board Design
80W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Pitcairn
GPU Name
GK107
Pitcairn PRO
(215-0828062)
GPU Variant
-
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
1.27 billion
212 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
5.1
Shader Model
5.1
