NVIDIA GeForce GTX 675MX vs AMD Radeon R7 M340

VS

NVIDIA GeForce GTX 675MX AMD Radeon R7 M340

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675MX 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 GTX 675MX 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (115.2GB/s vs 16.00GB/s)

576 additional rendering cores

AMD Radeon R7 M340 's Advantages

Released 3 years and 2 months late

Boost Clock715MHz

Score

Benchmark

FP32 (float)

GeForce GTX 675MX +128%

1.256 TFLOPS

Radeon R7 M340

0.549 TFLOPS

GeForce GTX 675MX

VS

Radeon R7 M340

Graphics Card

Oct 2012

Release Date

Dec 2015

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

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

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

Compute Units

6

960

Shading Units

384

80

TMUs

24

32

ROPs

8

-

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

5.720 GPixel/s

52.32 GTexel/s

Texture Rate

17.16 GTexel/s

-

FP16 (half)

-

1256 GFLOPS

FP32 (float)

549.1 GFLOPS

52.32 GFLOPS

FP64 (double)

34.32 GFLOPS

Graphics Processor

GK104

GPU Name

Opal

N13E-GSR-A2

GPU Variant

Opal PRO

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

0.95 billion

294 mm²

Die Size

77 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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