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GPU Comparison
AMD Radeon Pro 555X vs NVIDIA GeForce GT 745M
AMD Radeon Pro 555X vs NVIDIA GeForce GT 745M
VS
AMD Radeon Pro 555X
NVIDIA GeForce GT 745M
We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 2GB VRAM GeForce GT 745M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro 555X 's Advantages
Released 5 years and 3 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (94.08GB/s vs 28.80GB/s)
384 additional rendering cores
NVIDIA GeForce GT 745M 's Advantages
Lower TDP (45W vs 75W)
Score
Benchmark
FP32 (float)
Radeon Pro 555X
+116%
1.393 TFLOPS
GeForce GT 745M
0.643 TFLOPS
Radeon Pro 555X
VS
GeForce GT 745M
Graphics Card
Jul 2018
Release Date
Apr 2013
Radeon Pro Mac
Generation
GeForce 700M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1470 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
94.08GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
-
12
Compute Units
-
768
Shading Units
384
48
TMUs
32
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
256 KB
Theoretical Performance
14.51 GPixel/s
Pixel Rate
6.696 GPixel/s
43.54 GTexel/s
Texture Rate
26.78 GTexel/s
1393 GFLOPS
FP16 (half)
-
1393 GFLOPS
FP32 (float)
642.8 GFLOPS
87.07 GFLOPS
FP64 (double)
26.78 GFLOPS
Graphics Processor
Polaris 21
GPU Name
GK107
Polaris 21 PRO
GPU Variant
N14P-LP
GCN 4.0
Architecture
Kepler
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
3 billion
Transistors
1.27 billion
123 mm²
Die Size
118 mm²
Board Design
75W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
6.4
Shader Model
5.1
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8
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9
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