NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce RTX 3060 8 GB GA104

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA GeForce RTX 3060 8 GB GA104

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 8GB VRAM GeForce RTX 3060 8 GB GA104 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 195W)

NVIDIA GeForce RTX 3060 8 GB GA104 's Advantages

Released 10 years and 6 months late

Boost Clock1777MHz

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (240.0GB/s vs 38.40GB/s)

3440 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce RTX 3060 8 GB GA104 +2969%

12.74 TFLOPS

GeForce GT 640 OEM Rebrand

VS

GeForce RTX 3060 8 GB GA104

Graphics Card

Apr 2012

Release Date

Oct 2022

GeForce 600

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1320 MHz

-

Boost Clock

1777 MHz

800 MHz

Memory Clock

1875 MHz

Memory

1536MB

Memory Size

8GB

DDR3

Memory Type

GDDR6

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

240.0GB/s

Render Config

-

3

SM Count

28

144

Shading Units

3584

24

TMUs

112

24

ROPs

64

-

Tensor Cores

112

-

RT Cores

28

64 KB (per SM)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

3 MB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

113.7 GPixel/s

17.28 GTexel/s

Texture Rate

199.0 GTexel/s

-

FP16 (half)

12.74 TFLOPS

414.7 GFLOPS

FP32 (float)

12.74 TFLOPS

34.56 GFLOPS

FP64 (double)

199.0 GFLOPS

Board Design

75W

TDP

195W

250 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 12-pin

Graphics Processor

GF116

GPU Name

GA104

GF116-150-A1

GPU Variant

GA104

Fermi 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.17 billion

Transistors

17.4 billion

238 mm²

Die Size

392 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

8.6

5.1

Shader Model

6.7

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