AMD Radeon Pro 555X vs NVIDIA GeForce GTX 675M

VS

AMD Radeon Pro 555X

NVIDIA GeForce GTX 675M

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

Main Differences

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)

NVIDIA GeForce GTX 675M 's Advantages

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

Score

Benchmark

FP32 (float)

Radeon Pro 555X +46%

1.393 TFLOPS

GeForce GTX 675M

0.952 TFLOPS

Radeon Pro 555X

VS

GeForce GTX 675M

Graphics Card

Jul 2018

Release Date

Mar 2012

Radeon Pro Mac

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1470 MHz

Memory Clock

750 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

94.08GB/s

Bandwidth

96.00GB/s

Render Config

12

Compute Units

-

SM Count

8

768

Shading Units

384

48

TMUs

64

16

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

9.920 GPixel/s

43.54 GTexel/s

Texture Rate

39.68 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

952.3 GFLOPS

87.07 GFLOPS

FP64 (double)

79.36 GFLOPS

Board Design

75W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

GF114

Polaris 21 PRO

GPU Variant

N13E-GS1-A1

GCN 4.0

Architecture

Fermi 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

1.95 billion

123 mm²

Die Size

332 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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