AMD Radeon R7 M340 vs NVIDIA GeForce GT 650M Mac Edition

VS

AMD Radeon R7 M340

NVIDIA GeForce GT 650M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M340 's Advantages

Released 3 years and 5 months late

Boost Clock715MHz

More VRAM (1024GB vs 512GB)

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Larger VRAM bandwidth (80.26GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M340

0.549 TFLOPS

GeForce GT 650M Mac Edition +25%

0.691 TFLOPS

Radeon R7 M340

VS

GeForce GT 650M Mac Edition

Graphics Card

Dec 2015

Release Date

Jul 2012

Gem System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

620 MHz

Base Clock

-

715 MHz

Boost Clock

-

1000 MHz

Memory Clock

1254 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

80.26GB/s

Render Config

6

Compute Units

-

384

Shading Units

384

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.720 GPixel/s

Pixel Rate

7.200 GPixel/s

17.16 GTexel/s

Texture Rate

28.80 GTexel/s

-

549.1 GFLOPS

FP32 (float)

691.2 GFLOPS

34.32 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Opal

GPU Name

GK107

Opal PRO

GPU Variant

N13P-GT-W-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.27 billion

77 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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