NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce RTX 4070 GDDR6

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA GeForce RTX 4070 GDDR6

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 12GB VRAM GeForce RTX 4070 GDDR6 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 200W)

NVIDIA GeForce RTX 4070 GDDR6 's Advantages

Released 12 years and 4 months late

Boost Clock2475MHz

More VRAM (12GB vs 1536GB)

Larger VRAM bandwidth (480.0GB/s vs 38.40GB/s)

5744 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce RTX 4070 GDDR6 +6924%

29.15 TFLOPS

GeForce GT 640 OEM Rebrand

VS

GeForce RTX 4070 GDDR6

Graphics Card

Apr 2012

Release Date

Aug 2024

GeForce 600

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1920 MHz

-

Boost Clock

2475 MHz

800 MHz

Memory Clock

2500 MHz

Memory

1536MB

Memory Size

12GB

DDR3

Memory Type

GDDR6

192bit

Memory Bus

192bit

38.40GB/s

Bandwidth

480.0GB/s

Render Config

-

3

SM Count

46

144

Shading Units

5888

24

TMUs

184

24

ROPs

64

-

Tensor Cores

184

-

RT Cores

46

64 KB (per SM)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

36 MB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

158.4 GPixel/s

17.28 GTexel/s

Texture Rate

455.4 GTexel/s

-

FP16 (half)

29.15 TFLOPS

414.7 GFLOPS

FP32 (float)

29.15 TFLOPS

34.56 GFLOPS

FP64 (double)

455.4 GFLOPS

Board Design

75W

TDP

200W

250 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 16-pin

Graphics Processor

GF116

GPU Name

AD104

GF116-150-A1

GPU Variant

AD104-2XX-A1

Fermi 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.17 billion

Transistors

35.8 billion

238 mm²

Die Size

294 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

8.9

5.1

Shader Model

6.8

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