NVIDIA GeForce GTX 850M vs NVIDIA GeForce GT 640M Mac Edition

VS

NVIDIA GeForce GTX 850M

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M 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

NVIDIA GeForce GTX 850M 's Advantages

Released 1 years and 1 months late

More VRAM (2GB vs 512GB)

256 additional rendering cores

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Larger VRAM bandwidth (40.00GB/s vs 32.03GB/s)

Lower TDP (32W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850M +101%

1.155 TFLOPS

GeForce GT 640M Mac Edition

0.572 TFLOPS

GeForce GTX 850M

VS

GeForce GT 640M Mac Edition

Graphics Card

Mar 2014

Release Date

Feb 2013

GeForce 800M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1001 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

32.03GB/s

Bandwidth

40.00GB/s

Render Config

-

640

Shading Units

384

40

TMUs

32

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

14.43 GPixel/s

Pixel Rate

5.960 GPixel/s

36.08 GTexel/s

Texture Rate

23.84 GTexel/s

-

1155 GFLOPS

FP32 (float)

572.2 GFLOPS

36.08 GFLOPS

FP64 (double)

23.84 GFLOPS

Board Design

45W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

GK107

N15P-GT-A1

GPU Variant

N13P-GS

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.27 billion

148 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.0

5.1

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce GTX 850M vs AMD Radeon HD 6570M

2

NVIDIA GeForce GTX 850M vs NVIDIA GeForce 8800M GTX

3

NVIDIA GeForce GTX 850M vs AMD Radeon R9 M380

4

NVIDIA GeForce GTX 850M vs Intel Arc Pro A30M

5

NVIDIA GeForce GTX 850M vs NVIDIA GeForce RTX 4080 Max-Q

6

NVIDIA GeForce GTX 850M vs NVIDIA GeForce GTX 670M

7

NVIDIA GeForce GTX 850M vs AMD Radeon R9 M385

8

NVIDIA GeForce GTX 850M vs ATI Mobility Radeon HD 5470

9

NVIDIA GeForce GTX 850M vs NVIDIA GeForce GT 710M

10

NVIDIA GeForce GTX 850M vs AMD Radeon HD 6970M Mac Edition

Related News

1

Intel's Entry-Level CPU Core Ultra 3 205 Spotted: Only One Model Available

2

Introducing the AMD Ryzen 9 9955HX: A First Look at the Flagship Gaming Laptop CPU

3

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

4

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

5

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

6

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

7

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

8

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

9

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

10

CXMT Reportedly Achieves 80% Yield in DDR5 Production