NVIDIA GeForce GTX 675M vs AMD Radeon Pro 555X

VS

NVIDIA GeForce GTX 675M

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675M and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675M 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 94.08GB/s)

AMD Radeon Pro 555X 's Advantages

Released 6 years and 4 months late

More VRAM (4GB vs 2GB)

384 additional rendering cores

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675M

0.952 TFLOPS

Radeon Pro 555X +46%

1.393 TFLOPS

GeForce GTX 675M

VS

Radeon Pro 555X

Graphics Card

Mar 2012

Release Date

Jul 2018

GeForce 600M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

750 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

96.00GB/s

Bandwidth

94.08GB/s

Render Config

-

Compute Units

12

8

SM Count

-

384

Shading Units

768

64

TMUs

48

32

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

14.51 GPixel/s

39.68 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

952.3 GFLOPS

FP32 (float)

1393 GFLOPS

79.36 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

100W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

Polaris 21

N13E-GS1-A1

GPU Variant

Polaris 21 PRO

Fermi 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.95 billion

Transistors

3 billion

332 mm²

Die Size

123 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

2.1

CUDA

-

5.1

Shader Model

6.4

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