NVIDIA GeForce GT 640 Rev. 2 vs Sapphire NITRO+ RX 7900 XTX Vapor-X

Comparison of NVIDIA GeForce GT 640 Rev. 2 with 1 GB GDDR5 and 384 cores vs Sapphire NITRO+ RX 7900 XTX Vapor-X with 24 GB GDDR6 and 6,144 cores.

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Performance Rating

NVIDIA GeForce GT 640 Rev. 2 outperforms Sapphire NITRO+ RX 7900 XTX Vapor-X by 8.81% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA GeForce GT 640 Rev. 2

30.5

NVIDIA GeForce GT 640 Rev. 2

30.5
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

Sapphire NITRO+ RX 7900 XTX Vapor-X

28.0

Sapphire NITRO+ RX 7900 XTX Vapor-X

28.0

Contents:

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

Memory

Memory Size

1 ГБ
🔥 +2,300% 24 ГБ

Memory Type

GDDR5 GDDR6

Memory Bandwidth

40.06 GB/s 960.0 GB/s

Memory Bus Width

64 бит 384 бит

ML Performance

FP16 (Half Precision)

No
🔥 131.7 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

803.3 TFLOPS
🔥 65.86 TFLOPS

FP64 (Double Precision)

0.03347 TFLOPS
🔥 +6,049% 2.058 TFLOPS

CUDA Cores

384
🔥 +1,500% 6,144

RT Cores

No
🔥 96

Architecture & Compatibility

GPU Architecture

Kepler 2.0 RDNA 3.0

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
🔥 2,119

Boost Clock

No
🔥 2,680

Memory Clock

1,252
🔥 +100% 2,500

Power Consumption

TDP/TGP

🔥 -88% 49 W
420 W

Recommended PSU

🔥 -75% 200 W
800 W

Power Connector

None 3x 8-pin

Rendering

Texture Units (TMU)

32
🔥 +1,100% 384

ROP

No
🔥 96

L2 Cache

512 KB
🔥 6 MB

Additional

Slots

Single-slot Quad-slot

Release Date

May 29, 2013 Nov. 3, 2022

Display Outputs

1x DVI
1x HDMI 1.4a
1x VGA
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C

2x HDMI 2.1a
2x DisplayPort 2.1

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