NVIDIA GeForce GTX 660M vs AMD Radeon R7 A260
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 660M and 1024MB VRAM Radeon R7 A260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660M 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 57.60GB/s)
AMD Radeon R7 A260 's Advantages
Released 1 years and 10 months late
Boost Clock has increased by 3% (980MHz vs 950MHz)
Score
Benchmark
FP32 (float)
GeForce GTX 660M
0.73 TFLOPS
Radeon R7 A260
+3%
0.752 TFLOPS
Graphics Card
Mar 2012
Release Date
Jan 2014
GeForce 600M
Generation
All-In-One
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
835 MHz
Base Clock
900 MHz
950 MHz
Boost Clock
980 MHz
1000 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
64.00GB/s
Bandwidth
57.60GB/s
Render Config
-
Compute Units
6
-
-
-
384
Shading Units
384
32
TMUs
24
16
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
7.840 GPixel/s
30.40 GTexel/s
Texture Rate
23.52 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
752.6 GFLOPS
30.40 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
GK107
GPU Name
Topaz
N13E-GE-A2
GPU Variant
Topaz XT
(216-0858020)
Kepler
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
1.55 billion
118 mm²
Die Size
125 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2.170
3.0
CUDA
-
5.1
Shader Model
6.5
