NVIDIA GeForce GT 555M vs AMD Radeon R7 M340

VS

NVIDIA GeForce GT 555M

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 1024MB VRAM Radeon R7 M340 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)

Larger VRAM bandwidth (28.80GB/s vs 16.00GB/s)

AMD Radeon R7 M340 's Advantages

Released 3 years and 9 months late

Boost Clock715MHz

240 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 555M

0.389 TFLOPS

Radeon R7 M340 +41%

0.549 TFLOPS

GeForce GT 555M

VS

Radeon R7 M340

Graphics Card

Mar 2012

Release Date

Dec 2015

GeForce 500M

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

620 MHz

-

Boost Clock

715 MHz

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

16.00GB/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

5.720 GPixel/s

16.20 GTexel/s

Texture Rate

17.16 GTexel/s

-

388.8 GFLOPS

FP32 (float)

549.1 GFLOPS

32.40 GFLOPS

FP64 (double)

34.32 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GF116

GPU Name

Opal

N12E-GE2-A1

GPU Variant

Opal PRO

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

0.95 billion

238 mm²

Die Size

77 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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