NVIDIA GeForce GT 645 OEM vs Intel Arc B580

VS

NVIDIA GeForce GT 645 OEM

Intel Arc B580

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 12GB VRAM Arc B580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 190W)

Intel Arc B580 's Advantages

Released 12 years and 8 months late

Boost Clock2670MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (456.0GB/s vs 91.87GB/s)

2272 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

Arc B580 +1429%

13.67 TFLOPS

GeForce GT 645 OEM

VS

Arc B580

Graphics Card

Apr 2012

Release Date

Dec 2024

GeForce 600

Generation

Battlemage(Arc 5)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2670 MHz

-

Boost Clock

2670 MHz

957 MHz

Memory Clock

2375 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

192bit

91.87GB/s

Bandwidth

456.0GB/s

Render Config

-

6

SM Count

-

288

Shading Units

2560

48

TMUs

160

24

ROPs

80

-

Tensor Cores

160

-

RT Cores

20

64 KB (per SM)

L1 Cache

256 KB (per EU)

384 KB

L2 Cache

18 MB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

213.6 GPixel/s

37.25 GTexel/s

Texture Rate

427.2 GTexel/s

-

FP16 (half)

27.34 TFLOPS

894.0 GFLOPS

FP32 (float)

13.67 TFLOPS

74.50 GFLOPS

FP64 (double)

1.709 TFLOPS

Board Design

102W

TDP

190W

300 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

-

Power Connectors

1x 8-pin

Graphics Processor

GF114

GPU Name

BMG-G21

-

GPU Variant

SRPMF

Fermi 2.0

Architecture

Xe2

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.95 billion

Transistors

19.6 billion

332 mm²

Die Size

272 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.4

2.1

CUDA

-

5.1

Shader Model

6.6

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