NVIDIA GeForce GTX 675MX vs AMD Radeon R9 M385X

VS

NVIDIA GeForce GTX 675MX AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675MX and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 76.80GB/s)

64 additional rendering cores

AMD Radeon R9 M385X 's Advantages

Released 2 years and 7 months late

Boost Clock1100MHz

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

GeForce GTX 675MX

1.256 TFLOPS

Radeon R9 M385X +56%

1.971 TFLOPS

GeForce GTX 675MX

VS

Radeon R9 M385X

Graphics Card

Oct 2012

Release Date

May 2015

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1100 MHz

900 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

Compute Units

14

960

Shading Units

896

80

TMUs

56

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

13.08 GPixel/s

Pixel Rate

17.60 GPixel/s

52.32 GTexel/s

Texture Rate

61.60 GTexel/s

-

FP16 (half)

-

1256 GFLOPS

FP32 (float)

1.971 TFLOPS

52.32 GFLOPS

FP64 (double)

123.2 GFLOPS

Graphics Processor

GK104

GPU Name

Strato

N13E-GSR-A2

GPU Variant

Strato XT

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.08 billion

294 mm²

Die Size

160 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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