Intel Arc A770M vs NVIDIA GeForce GT 640M

VS

We compared two Mobile platform GPUs: 16GB VRAM Arc A770M and 2GB VRAM GeForce GT 640M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770M 's Advantages

Released 9 years and 10 months late

Boost Clock1650MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 28.80GB/s)

3712 additional rendering cores

NVIDIA GeForce GT 640M 's Advantages

Lower TDP (32W vs 120W)

Score

Benchmark

FP32 (float)

Arc A770M +2716%

13.52 TFLOPS

GeForce GT 640M

0.48 TFLOPS

Arc A770M

VS

GeForce GT 640M

Graphics Card

Jan 2022

Release Date

Mar 2012

Alchemist

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

300 MHz

Base Clock

-

1650 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

Compute Units

-

4096

Shading Units

384

256

TMUs

32

128

ROPs

16

-

Tensor Cores

-

32

RT Cores

-

L1 Cache

16 KB (per SMX)

16 MB

L2 Cache

256 KB

Theoretical Performance

211.2 GPixel/s

Pixel Rate

5.000 GPixel/s

422.4 GTexel/s

Texture Rate

20.00 GTexel/s

27.03 TFLOPS

FP16 (half)

-

13.52 TFLOPS

FP32 (float)

480.0 GFLOPS

-

FP64 (double)

20.00 GFLOPS

Graphics Processor

DG2-512

GPU Name

GK107

ACM-G10

GPU Variant

N13P-GS

Generation 12.7

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

1.27 billion

406 mm²

Die Size

118 mm²

Board Design

120W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.6

Shader Model

5.1

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