NVIDIA GeForce GTX 670MX vs AMD Radeon R7 M340

VS

NVIDIA GeForce GTX 670MX

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX 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 670MX 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (67.20GB/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 670MX +110%

1.154 TFLOPS

Radeon R7 M340

0.549 TFLOPS

GeForce GTX 670MX

VS

Radeon R7 M340

Graphics Card

Oct 2012

Release Date

Dec 2015

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

620 MHz

-

Boost Clock

715 MHz

700 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

67.20GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

6

-

960

Shading Units

384

80

TMUs

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

12.02 GPixel/s

Pixel Rate

5.720 GPixel/s

48.08 GTexel/s

Texture Rate

17.16 GTexel/s

-

1154 GFLOPS

FP32 (float)

549.1 GFLOPS

48.08 GFLOPS

FP64 (double)

34.32 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GK104

GPU Name

Opal

N13E-GR-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

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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