NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce RTX 3070 Ti

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA GeForce RTX 3070 Ti

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 8GB VRAM GeForce RTX 3070 Ti 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 290W)

NVIDIA GeForce RTX 3070 Ti 's Advantages

Released 9 years and 1 months late

Boost Clock1770MHz

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (608.3GB/s vs 38.40GB/s)

6000 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce RTX 3070 Ti +5140%

21.75 TFLOPS

GeForce GT 640 OEM Rebrand

VS

GeForce RTX 3070 Ti

Graphics Card

Apr 2012

Release Date

May 2021

GeForce 600

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1575 MHz

-

Boost Clock

1770 MHz

800 MHz

Memory Clock

1188 MHz

Memory

1536MB

Memory Size

8GB

DDR3

Memory Type

GDDR6X

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

608.3GB/s

Render Config

-

3

SM Count

48

144

Shading Units

6144

24

TMUs

192

24

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

64 KB (per SM)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

4 MB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

169.9 GPixel/s

17.28 GTexel/s

Texture Rate

339.8 GTexel/s

-

FP16 (half)

21.75 TFLOPS

414.7 GFLOPS

FP32 (float)

21.75 TFLOPS

34.56 GFLOPS

FP64 (double)

339.8 GFLOPS

Board Design

75W

TDP

290W

250 W

Suggested PSU

600 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

GA104-400-A1

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

6.6

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