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GPU Comparison
AMD Radeon HD 6870M vs NVIDIA GeForce GTX 660M
AMD Radeon HD 6870M vs NVIDIA GeForce GTX 660M
VS
AMD Radeon HD 6870M
NVIDIA GeForce GTX 660M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6870M 's Advantages
416 additional rendering cores
NVIDIA GeForce GTX 660M 's Advantages
Released 1 years and 2 months late
Boost Clock950MHz
Score
Benchmark
FP32 (float)
Radeon HD 6870M
+47%
1.08 TFLOPS
GeForce GTX 660M
0.73 TFLOPS
Radeon HD 6870M
VS
GeForce GTX 660M
Graphics Card
Jan 2011
Release Date
Mar 2012
Vancouver
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
835 MHz
-
Boost Clock
950 MHz
1000 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
64.00GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
10
Compute Units
-
800
Shading Units
384
40
TMUs
32
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
Theoretical Performance
10.80 GPixel/s
Pixel Rate
7.600 GPixel/s
27.00 GTexel/s
Texture Rate
30.40 GTexel/s
-
FP16 (half)
-
1080 GFLOPS
FP32 (float)
729.6 GFLOPS
-
FP64 (double)
30.40 GFLOPS
Graphics Processor
Granville
GPU Name
GK107
Granville XT (216-0769024)
GPU Variant
N13E-GE-A2
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.04 billion
Transistors
1.27 billion
166 mm²
Die Size
118 mm²
Board Design
50W
TDP
50W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1
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