AMD Radeon Pro 455 vs NVIDIA GeForce GTX 675MX Mac Edition

VS

AMD Radeon Pro 455

NVIDIA GeForce GTX 675MX Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 1024MB VRAM GeForce GTX 675MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 455 's Advantages

Released 3 years and 6 months late

More VRAM (2GB vs 1024GB)

Lower TDP (35W vs 100W)

NVIDIA GeForce GTX 675MX Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 81.28GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 455

1.313 TFLOPS

GeForce GTX 675MX Mac Edition +47%

1.933 TFLOPS

Radeon Pro 455

VS

GeForce GTX 675MX Mac Edition

Graphics Card

Oct 2016

Release Date

Apr 2013

Radeon Pro Mac

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1270 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

81.28GB/s

Bandwidth

160.0GB/s

Render Config

12

Compute Units

-

768

Shading Units

1344

48

TMUs

112

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

13.68 GPixel/s

Pixel Rate

20.13 GPixel/s

41.04 GTexel/s

Texture Rate

80.53 GTexel/s

1313 GFLOPS

FP16 (half)

-

1313 GFLOPS

FP32 (float)

1.933 TFLOPS

82.08 GFLOPS

FP64 (double)

80.53 GFLOPS

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Baffin

GPU Name

GK104

Baffin PRO

GPU Variant

N13E-GSR-A2

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

3.54 billion

123 mm²

Die Size

294 mm²

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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