NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce 830A

VS

NVIDIA GeForce GT 640M Mac Edition NVIDIA GeForce 830A

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 2GB VRAM GeForce 830A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Larger VRAM bandwidth (40.00GB/s vs 14.40GB/s)

128 additional rendering cores

Lower TDP (32W vs 33W)

NVIDIA GeForce 830A 's Advantages

Released 1 years and 5 months late

Boost Clock1150MHz

Score

Benchmark

FP32 (float)

GeForce GT 640M Mac Edition

0.572 TFLOPS

GeForce 830A +2%

0.589 TFLOPS

GeForce GT 640M Mac Edition

VS

GeForce 830A

Graphics Card

Feb 2013

Release Date

Jul 2014

GeForce 600M

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1150 MHz

1250 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

40.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

256

32

TMUs

16

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

1024 KB

Theoretical Performance

5.960 GPixel/s

Pixel Rate

9.200 GPixel/s

23.84 GTexel/s

Texture Rate

18.40 GTexel/s

-

FP16 (half)

-

572.2 GFLOPS

FP32 (float)

588.8 GFLOPS

23.84 GFLOPS

FP64 (double)

18.40 GFLOPS

Graphics Processor

GK107

GPU Name

GM108

N13P-GS

GPU Variant

-

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

Unknown

118 mm²

Die Size

Unknown

Board Design

32W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon R9 A375

2

NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon RX 560 Mobile

3

NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce RTX 3050 Ti Max-Q

4

NVIDIA GeForce GT 640M Mac Edition vs ATI Mobility Radeon HD 2600 XT

5

NVIDIA GeForce GT 640M Mac Edition vs ATI Mobility Radeon HD 3650

6

NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce GTX 680M

7

NVIDIA GeForce GT 640M Mac Edition vs ATI Mobility Radeon HD 545v

8

NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon R9 M265X

9

NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon R7 M465X

10

NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce GT 435M

Related News

1

Apple's 2025 OS in Development: iOS 19 Codename 'Luck'

2

Apple's AI is Memory Hungry! The Entire iPhone 16 Lineup Comes with 8GB RAM

3

Noctua Announce NH-D15 G2 Air Cooler and NF-A14x25r G2 Fan

4

The P-Cores and E-Cores in Arrow Lake Will Be Interleaved, Reducing Core Communication Latency and Improving Heat Dissipation

5

Changes in Intel Arrow Lake P/E Core Layout: Two Major Benefits

6

Time to Step Up, AMD and Intel! Nvidia Faces Antitrust Lawsuits in France, US, and EU

7

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

8

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

9

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

10

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2