NVIDIA GeForce GT 640 vs NVIDIA RTX A5000-12Q

VS

NVIDIA GeForce GT 640

NVIDIA RTX A5000-12Q

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 12GB VRAM RTX A5000 12Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 230W)

NVIDIA RTX A5000-12Q 's Advantages

Released 8 years and 10 months late

Boost Clock1695MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (768.0GB/s vs 28.51GB/s)

7808 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

RTX A5000 12Q +3907%

27.77 TFLOPS

GeForce GT 640

VS

RTX A5000 12Q

Graphics Card

Jun 2012

Release Date

Apr 2021

GeForce 600

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1170 MHz

-

Boost Clock

1695 MHz

891 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

12GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

384bit

28.51GB/s

Bandwidth

768.0GB/s

Render Config

-

SM Count

64

384

Shading Units

8192

32

TMUs

256

16

ROPs

96

-

Tensor Cores

256

-

RT Cores

64

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

162.7 GPixel/s

28.86 GTexel/s

Texture Rate

433.9 GTexel/s

-

FP16 (half)

27.77 TFLOPS

692.7 GFLOPS

FP32 (float)

27.77 TFLOPS

28.86 GFLOPS

FP64 (double)

433.9 GFLOPS

Board Design

65W

TDP

230W

250 W

Suggested PSU

550 W

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

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

GK107

GPU Name

GA102

GK107-300-A2

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.27 billion

Transistors

28.3 billion

118 mm²

Die Size

628 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

8.6

5.1

Shader Model

6.7

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