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GPU Comparison
NVIDIA GeForce GT 645M vs ATI Mobility Radeon HD 4550
NVIDIA GeForce GT 645M vs ATI Mobility Radeon HD 4550
VS
NVIDIA GeForce GT 645M
ATI Mobility Radeon HD 4550
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 645M and 512MB VRAM Mobility Radeon HD 4550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 645M 's Advantages
Released 2 years and 9 months late
Larger VRAM bandwidth (28.80GB/s vs 11.20GB/s)
304 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 645M
+518%
0.544 TFLOPS
Mobility Radeon HD 4550
0.088 TFLOPS
GeForce GT 645M
VS
Mobility Radeon HD 4550
Graphics Card
Oct 2012
Release Date
Jan 2010
GeForce 600M
Generation
M9x
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-II
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
700 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
11.20GB/s
Render Config
-
SM Count
-
-
Compute Units
1
384
Shading Units
80
32
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
64 KB
Theoretical Performance
5.672 GPixel/s
Pixel Rate
2.200 GPixel/s
22.69 GTexel/s
Texture Rate
4.400 GTexel/s
-
FP16 (half)
-
544.5 GFLOPS
FP32 (float)
88.00 GFLOPS
22.69 GFLOPS
FP64 (double)
-
Graphics Processor
GK107
GPU Name
M93
N13P-GS
GPU Variant
-
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.27 billion
Transistors
0.242 billion
118 mm²
Die Size
73 mm²
Board Design
32W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1
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8
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