Intel Arc A770 vs NVIDIA GeForce GT 640

VS

Intel Arc A770

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770 's Advantages

Released 10 years and 4 months late

Boost Clock2400MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 28.51GB/s)

3712 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 225W)

Score

Benchmark

FP32 (float)

Arc A770 +2736%

19.66 TFLOPS

GeForce GT 640

0.693 TFLOPS

Blender

Arc A770 +7062%

2292

GeForce GT 640

32

Arc A770

VS

GeForce GT 640

Graphics Card

Oct 2022

Release Date

Jun 2012

Alchemist(Arc 7)

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2100 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

891 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

512.0GB/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

307.2 GPixel/s

Pixel Rate

7.216 GPixel/s

614.4 GTexel/s

Texture Rate

28.86 GTexel/s

39.32 TFLOPS

FP16 (half)

-

19.66 TFLOPS

FP32 (float)

692.7 GFLOPS

2.458 TFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

225W

TDP

65W

550 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

GK107

ACM-G10

GPU Variant

GK107-300-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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