NVIDIA GeForce RTX 4070 GDDR6 vs NVIDIA GeForce GT 640 Rev. 2

VS

NVIDIA GeForce RTX 4070 GDDR6

NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 GDDR6 and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 GDDR6 's Advantages

Released 11 years and 3 months late

Boost Clock2475MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (480.0GB/s vs 40.06GB/s)

5504 additional rendering cores

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Lower TDP (49W vs 200W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 GDDR6 +3530%

29.15 TFLOPS

GeForce GT 640 Rev. 2

0.803 TFLOPS

GeForce RTX 4070 GDDR6

VS

GeForce GT 640 Rev. 2

Graphics Card

Aug 2024

Release Date

May 2013

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

1920 MHz

Base Clock

-

2475 MHz

Boost Clock

-

2500 MHz

Memory Clock

1252 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

480.0GB/s

Bandwidth

40.06GB/s

Render Config

-

46

SM Count

-

5888

Shading Units

384

184

TMUs

32

64

ROPs

8

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

36 MB

L2 Cache

512 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

8.368 GPixel/s

455.4 GTexel/s

Texture Rate

33.47 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

803.3 GFLOPS

455.4 GFLOPS

FP64 (double)

33.47 GFLOPS

Board Design

200W

TDP

49W

550 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 16-pin

Power Connectors

None

Graphics Processor

AD104

GPU Name

GK208

AD104-2XX-A1

GPU Variant

GK208-400-A1

Ada Lovelace

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

35.8 billion

Transistors

1.02 billion

294 mm²

Die Size

87 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

3.5

6.8

Shader Model

5.1

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