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GPU Comparison
NVIDIA GeForce GT 620M vs AMD Radeon HD 6490M Mac Edition
NVIDIA GeForce GT 620M vs AMD Radeon HD 6490M Mac Edition
VS
NVIDIA GeForce GT 620M
AMD Radeon HD 6490M Mac Edition
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 620M 's Advantages
Released 1 years and 3 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (28.80GB/s vs 25.41GB/s)
AMD Radeon HD 6490M Mac Edition 's Advantages
64 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 620M
+5%
0.253 TFLOPS
Radeon HD 6490M Mac Edition
0.24 TFLOPS
GeForce GT 620M
VS
Radeon HD 6490M Mac Edition
Graphics Card
Aug 2012
Release Date
May 2011
GeForce 600M
Generation
Vancouver
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
794 MHz
Memory
1024MB
Memory Size
256MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
25.41GB/s
Render Config
2
SM Count
-
-
Compute Units
2
96
Shading Units
160
16
TMUs
8
4
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
Theoretical Performance
2.640 GPixel/s
Pixel Rate
3.000 GPixel/s
10.56 GTexel/s
Texture Rate
6.000 GTexel/s
-
FP16 (half)
-
253.4 GFLOPS
FP32 (float)
240.0 GFLOPS
21.12 GFLOPS
FP64 (double)
-
Graphics Processor
GF108
GPU Name
Seymour
N13P-GLP-A1
GPU Variant
Seymour XTX M2 (216-0809000)
Fermi
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.585 billion
Transistors
0.37 billion
116 mm²
Die Size
67 mm²
Board Design
15W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
-
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
5.0
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