GIGABYTE GT 640 2 GB vs Intel Arc B770

Comparison of GIGABYTE GT 640 2 GB with 2 GB GDDR5 and 384 cores vs Intel Arc B770 with 16 GB GDDR6 and 4,096 cores.

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Performance Rating

Intel Arc B770 outperforms GIGABYTE GT 640 2 GB by 1,411.84% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

GIGABYTE GT 640 2 GB

0.8

GIGABYTE GT 640 2 GB

0.8
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

Intel Arc B770

11.5

Intel Arc B770

11.5

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Additional

Memory

Memory Size

2 GB
🔥 +700% 16 ГБ

Memory Type

GDDR5 GDDR6

Memory Bandwidth

40.06 GB/s 512.0 GB/s

Memory Bus Width

64 бит 256 бит

ML Performance

FP16 (Half Precision)

No
🔥 39.32 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

0.8033 TFLOPS
🔥 +2,347% 19.66 TFLOPS

FP64 (Double Precision)

0.0335 TFLOPS
🔥 +7,237% 2.458 TFLOPS

CUDA Cores

384
🔥 +967% 4,096

RT Cores

No
🔥 32

Architecture & Compatibility

GPU Architecture

Kepler 2.0 Xe2-HPG

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 2.0 x8 PCIe 4.0 x16

ML Software Support

CUDA Version

3.5 No

Clocks & Performance

Base Clock

No
🔥 2,100

Boost Clock

No
🔥 2,400

Memory Clock

1,252
🔥 +60% 2,000

Power Consumption

Recommended PSU

🔥 -64% 200 W
550 W

Power Connector

None 1x 6-pin + 1x 8-pin

TDP/TGP

🔥 -78% 49 W
225 W

Rendering

Texture Units (TMU)

32
🔥 +700% 256

ROP

No
🔥 32

L2 Cache

512 KB
🔥 16 MB

Additional

Slots

Single-slot Dual-slot

Release Date

Sept. 12, 2013 March 12, 2026

Display Outputs

1x DVI
1x HDMI 1.4a
1x VGA
1x HDMI 2.1a
3x DisplayPort 2.1

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