NVIDIA GeForce GTX 645 OEM vs NVIDIA L20

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA L20

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 48GB VRAM L20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 275W)

NVIDIA L20 's Advantages

Released 10 years and 7 months late

Boost Clock2520MHz

More VRAM (48GB vs 1024GB)

Larger VRAM bandwidth (864.0GB/s vs 64.00GB/s)

11200 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

L20 +6153%

59.35 TFLOPS

GeForce GTX 645 OEM

VS

L20

Graphics Card

Apr 2013

Release Date

Nov 2023

GeForce 600

Generation

Tesla Ada

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1440 MHz

-

Boost Clock

2520 MHz

1000 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

64.00GB/s

Bandwidth

864.0GB/s

Render Config

-

SM Count

92

576

Shading Units

11776

48

TMUs

368

16

ROPs

128

-

Tensor Cores

368

-

RT Cores

92

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

96 MB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

322.6 GPixel/s

39.55 GTexel/s

Texture Rate

927.4 GTexel/s

-

FP16 (half)

59.35 TFLOPS

949.2 GFLOPS

FP32 (float)

59.35 TFLOPS

39.55 GFLOPS

FP64 (double)

927.4 GFLOPS

Board Design

65W

TDP

275W

250 W

Suggested PSU

600 W

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

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 16-pin

Graphics Processor

GK106

GPU Name

AD102

GK106-200-A1

GPU Variant

AD102

Kepler

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.54 billion

Transistors

76.3 billion

221 mm²

Die Size

609 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

8.9

5.1

Shader Model

6.7

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