AMD Radeon R7 M340 vs NVIDIA GeForce GT 640M Mac Edition

VS

AMD Radeon R7 M340

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 512MB VRAM GeForce GT 640M 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 2 years and 10 months late

Boost Clock715MHz

More VRAM (1024GB vs 512GB)

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Larger VRAM bandwidth (40.00GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M340

0.549 TFLOPS

GeForce GT 640M Mac Edition +4%

0.572 TFLOPS

Radeon R7 M340

VS

GeForce GT 640M Mac Edition

Graphics Card

Dec 2015

Release Date

Feb 2013

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

1250 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

40.00GB/s

Render Config

6

Compute Units

-

384

Shading Units

384

24

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

5.720 GPixel/s

Pixel Rate

5.960 GPixel/s

17.16 GTexel/s

Texture Rate

23.84 GTexel/s

-

549.1 GFLOPS

FP32 (float)

572.2 GFLOPS

34.32 GFLOPS

FP64 (double)

23.84 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Opal

GPU Name

GK107

Opal PRO

GPU Variant

N13P-GS

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

Related GPU Comparisons

1

AMD Radeon R7 M340 vs Intel Arc Pro A60M

2

AMD Radeon R7 M340 vs AMD Radeon E9174 MXM

3

AMD Radeon R7 M340 vs AMD Radeon R5 M435

4

AMD Radeon R7 M340 vs ATI Mobility Radeon X2300

5

AMD Radeon R7 M340 vs AMD Radeon HD 6750M

6

AMD Radeon R7 M340 vs NVIDIA GeForce GT 745A

7

AMD Radeon R7 M340 vs AMD Radeon RX 6450M

8

AMD Radeon R7 M340 vs AMD Radeon HD 7510M

9

AMD Radeon R7 M340 vs NVIDIA Quadro FX Go540

10

AMD Radeon R7 M340 vs NVIDIA GeForce GT 230M

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!