NVIDIA GeForce RTX 4070 Ti vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce RTX 4070 Ti

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 Ti and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 Ti 's Advantages

Released 10 years and 9 months late

Boost Clock2610MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (504.2GB/s vs 28.51GB/s)

7296 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 285W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Ti +6450%

40.09 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

GeForce RTX 4070 Ti

VS

GeForce GT 640 OEM

Graphics Card

Jan 2023

Release Date

Apr 2012

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2310 MHz

Base Clock

-

2610 MHz

Boost Clock

-

1313 MHz

Memory Clock

891 MHz

Memory

12GB

Memory Size

2GB

GDDR6X

Memory Type

DDR3

192bit

Memory Bus

128bit

504.2GB/s

Bandwidth

28.51GB/s

Render Config

-

60

SM Count

-

7680

Shading Units

384

240

TMUs

32

80

ROPs

16

240

Tensor Cores

-

60

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

48 MB

L2 Cache

256 KB

-

Theoretical Performance

208.8 GPixel/s

Pixel Rate

6.376 GPixel/s

626.4 GTexel/s

Texture Rate

25.50 GTexel/s

40.09 TFLOPS

FP16 (half)

-

40.09 TFLOPS

FP32 (float)

612.1 GFLOPS

626.4 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

285W

TDP

50W

600 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

None

Graphics Processor

AD104

GPU Name

GK107

AD104-400-A1

GPU Variant

GK107-320-A2

Ada Lovelace

Architecture

Kepler

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

35.8 billion

Transistors

1.27 billion

295 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.9

CUDA

3.0

6.7

Shader Model

5.1

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