NVIDIA RTX 4000 Ada Generation vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA RTX 4000 Ada Generation NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 20GB VRAM RTX 4000 Ada Generation and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX 4000 Ada Generation 's Advantages

Released 11 years and 4 months late

Boost Clock2175MHz

More VRAM (20GB vs 1GB)

Larger VRAM bandwidth (360.0GB/s vs 38.40GB/s)

6000 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 130W)

Score

Benchmark

FP32 (float)

RTX 4000 Ada Generation +6340%

26.73 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

RTX 4000 Ada Generation

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Aug 2023

Release Date

Apr 2012

Quadro Ada

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1500 MHz

Base Clock

-

2175 MHz

Boost Clock

-

2250 MHz

Memory Clock

800 MHz

Memory

20GB

Memory Size

1536MB

GDDR6

Memory Type

DDR3

160bit

Memory Bus

192bit

360.0GB/s

Bandwidth

38.40GB/s

Render Config

48

SM Count

3

-

Compute Units

-

6144

Shading Units

144

192

TMUs

24

80

ROPs

24

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

48 MB

L2 Cache

384 KB

Theoretical Performance

174.0 GPixel/s

Pixel Rate

4.320 GPixel/s

417.6 GTexel/s

Texture Rate

17.28 GTexel/s

26.73 TFLOPS

FP16 (half)

-

26.73 TFLOPS

FP32 (float)

414.7 GFLOPS

417.6 GFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

AD104

GPU Name

GF116

-

GPU Variant

GF116-150-A1

Ada Lovelace

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

35.8 billion

Transistors

1.17 billion

294 mm²

Die Size

238 mm²

Board Design

130W

TDP

75W

300 W

Suggested PSU

250 W

4x mini-DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 16-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.9

CUDA

2.1

6.7

Shader Model

5.1

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