Intel Arc A780 vs NVIDIA GeForce GT 640 OEM

VS

Intel Arc A780

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A780 's Advantages

Boost Clock2200MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (559.6GB/s vs 28.51GB/s)

3712 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Arc A780 +2844%

18.02 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

Arc A780

VS

GeForce GT 640 OEM

Graphics Card

Unknown

Release Date

Apr 2012

Alchemist(Arc 7)

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2200 MHz

Base Clock

-

2200 MHz

Boost Clock

-

1093 MHz

Memory Clock

891 MHz

Memory

16GB

Memory Size

2GB

GDDR6X

Memory Type

DDR3

256bit

Memory Bus

128bit

559.6GB/s

Bandwidth

28.51GB/s

Render Config

-

4096

Shading Units

384

256

TMUs

32

128

ROPs

16

512

Tensor Cores

-

32

RT Cores

-

L1 Cache

16 KB (per SMX)

16 MB

L2 Cache

256 KB

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

6.376 GPixel/s

563.2 GTexel/s

Texture Rate

25.50 GTexel/s

36.04 TFLOPS

FP16 (half)

-

18.02 TFLOPS

FP32 (float)

612.1 GFLOPS

2.253 TFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

GK107

ACM-G10

GPU Variant

GK107-320-A2

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

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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