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GPU Comparison
AMD Radeon R9 M270X vs NVIDIA GeForce GT 640M
AMD Radeon R9 M270X vs NVIDIA GeForce GT 640M
VS
AMD Radeon R9 M270X
NVIDIA GeForce GT 640M
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M270X and 2GB VRAM GeForce GT 640M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M270X 's Advantages
Released 2 years and 11 months late
Boost Clock1000MHz
Larger VRAM bandwidth (88.00GB/s vs 28.80GB/s)
384 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 M270X
+220%
1.536 TFLOPS
GeForce GT 640M
0.48 TFLOPS
Radeon R9 M270X
VS
GeForce GT 640M
Graphics Card
Feb 2015
Release Date
Mar 2012
Gem System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1375 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
88.00GB/s
Bandwidth
28.80GB/s
Render Config
12
Compute Units
-
-
-
-
768
Shading Units
384
48
TMUs
32
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
16.00 GPixel/s
Pixel Rate
5.000 GPixel/s
48.00 GTexel/s
Texture Rate
20.00 GTexel/s
-
-
-
1.536 TFLOPS
FP32 (float)
480.0 GFLOPS
96.00 GFLOPS
FP64 (double)
20.00 GFLOPS
Board Design
Unknown
TDP
32W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-
Graphics Processor
Saturn
GPU Name
GK107
Saturn PRO (216-0843044)
GPU Variant
N13P-GS
GCN 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.08 billion
Transistors
1.27 billion
160 mm²
Die Size
118 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2.170
Vulkan
1.1
-
CUDA
3.0
6.5
Shader Model
5.1
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