Home GPU Comparison NVIDIA GeForce GT 555M vs AMD Radeon R5 A255

NVIDIA GeForce GT 555M vs AMD Radeon R5 A255

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 555M 's Advantages
More VRAM (2GB vs 1024GB)
AMD Radeon R5 A255 's Advantages
Released 1 years and 10 months late
Boost Clock940MHz
Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)
240 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 555M
0.389 TFLOPS
Radeon R5 A255 +85%
0.721 TFLOPS
VS

Graphics Card

Mar 2012
Release Date
Jan 2014
GeForce 500M
Generation
All-In-One
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
925 MHz
-
Boost Clock
940 MHz
900 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
28.80GB/s
Bandwidth
64.00GB/s

Render Config

-
Compute Units
6
2
SM Count
-
144
Shading Units
384
24
TMUs
24
16
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

2.700 GPixel/s
Pixel Rate
7.520 GPixel/s
16.20 GTexel/s
Texture Rate
22.56 GTexel/s
-
-
-
388.8 GFLOPS
FP32 (float)
721.9 GFLOPS
32.40 GFLOPS
FP64 (double)
-

Board Design

35W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-

Graphics Processor

GF116
GPU Name
Topaz
N12E-GE2-A1
GPU Variant
Topaz PRO (216-0858030)
Fermi 2.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.17 billion
Transistors
1.55 billion
238 mm²
Die Size
125 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.2.170
2.1
CUDA
-
5.1
Shader Model
6.5

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