NVIDIA GeForce GT 640 OEM Rebrand vs Intel Arc A770

VS

NVIDIA GeForce GT 640 OEM Rebrand

Intel Arc A770

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 225W)

Intel Arc A770 's Advantages

Released 10 years and 6 months late

Boost Clock2400MHz

More VRAM (16GB vs 1536GB)

Larger VRAM bandwidth (512.0GB/s vs 38.40GB/s)

3952 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Arc A770 +4637%

19.66 TFLOPS

GeForce GT 640 OEM Rebrand

VS

Arc A770

Graphics Card

Apr 2012

Release Date

Oct 2022

GeForce 600

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2100 MHz

-

Boost Clock

2400 MHz

800 MHz

Memory Clock

2000 MHz

Memory

1536MB

Memory Size

16GB

DDR3

Memory Type

GDDR6

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

512.0GB/s

Render Config

-

3

SM Count

-

144

Shading Units

4096

24

TMUs

256

24

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

16 MB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

307.2 GPixel/s

17.28 GTexel/s

Texture Rate

614.4 GTexel/s

-

FP16 (half)

39.32 TFLOPS

414.7 GFLOPS

FP32 (float)

19.66 TFLOPS

34.56 GFLOPS

FP64 (double)

2.458 TFLOPS

Board Design

75W

TDP

225W

250 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.13x DisplayPort 2.0

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF116

GPU Name

DG2-512

GF116-150-A1

GPU Variant

ACM-G10

Fermi 2.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

1.17 billion

Transistors

21.7 billion

238 mm²

Die Size

406 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.6

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