EVGA GT 640 4 GB vs NVIDIA B300

Comparison of EVGA GT 640 4 GB with 4 GB DDR3 and 384 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms EVGA GT 640 4 GB by 9,121.79% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

EVGA GT 640 4 GB

0.8

EVGA GT 640 4 GB

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

NVIDIA B300

71.9

NVIDIA B300

71.9

Contents:

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

Memory

Memory Size

4 GB
🔥 +3,500% 144 ГБ ×2 (288 ГБ)

Memory Type

DDR3 HBM3e

Memory Bandwidth

28.83 GB/s
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

128 бит 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

No
🔥 1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

0.6927 TFLOPS
🔥 +11,014% 76.99 TFLOPS

FP64 (Double Precision)

0.0289 TFLOPS
🔥 +4,062% 1.2029 TFLOPS

CUDA Cores

384
🔥 +4,833% 18,944 ×2 (37888)

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Kepler Blackwell Ultra

SM (Streaming Multiprocessor)

No
🔥 148

PCIe Version

PCIe 3.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

3.0
🔥 10.3

Clocks & Performance

Base Clock

No
🔥 1,665

Boost Clock

No
🔥 2,032

Memory Clock

901
🔥 +122% 2,000

Power Consumption

Recommended PSU

🔥 -86% 250 W
1800 W

Power Connector

None No

TDP/TGP

🔥 -95% 65 W
1400 W

Rendering

Texture Units (TMU)

32
🔥 +1,750% 592 ×2 (1184)

ROP

No No

L2 Cache

256 KB
🔥 50 MB

Additional

Slots

Dual-slot
🔥 SXM Module

Release Date

June 5, 2012 Sept. 11, 2025

Display Outputs

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

2x DVI
1x mini-HDMI 1.4a
No outputs

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