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GPU Comparison
NVIDIA GeForce GT 420M vs AMD Radeon R9 M275X
NVIDIA GeForce GT 420M vs AMD Radeon R9 M275X
VS
NVIDIA GeForce GT 420M
AMD Radeon R9 M275X
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 2GB VRAM Radeon R9 M275X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M275X 's Advantages
Released 3 years and 4 months late
Boost Clock925MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (72.00GB/s vs 25.60GB/s)
544 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 420M
0.192 TFLOPS
Radeon R9 M275X
+516%
1.184 TFLOPS
GeForce GT 420M
VS
Radeon R9 M275X
Graphics Card
Sep 2010
Release Date
Jan 2014
GeForce 400M
Generation
Gem System
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
800 MHz
Memory Clock
1125 MHz
Memory
512MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
25.60GB/s
Bandwidth
72.00GB/s
Render Config
-
Compute Units
10
2
SM Count
-
96
Shading Units
640
16
TMUs
40
4
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
2.000 GPixel/s
Pixel Rate
14.80 GPixel/s
8.000 GTexel/s
Texture Rate
37.00 GTexel/s
-
-
-
192.0 GFLOPS
FP32 (float)
1184 GFLOPS
16.00 GFLOPS
FP64 (double)
74.00 GFLOPS
Board Design
23W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
GF108
GPU Name
Venus
N11P-GE-A1
GPU Variant
Venus XTX (216-0846033)
Fermi
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.585 billion
Transistors
1.5 billion
116 mm²
Die Size
123 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
2.1
CUDA
-
5.1
Shader Model
6.5 (5.1)
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