NVIDIA GeForce GT 640 vs NVIDIA A30 PCIe

VS

NVIDIA GeForce GT 640

NVIDIA A30 PCIe

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 24GB VRAM A30 PCIe 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 165W)

NVIDIA A30 PCIe 's Advantages

Released 8 years and 10 months late

Boost Clock1440MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (933.1GB/s vs 28.51GB/s)

3200 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

A30 PCIe +1389%

10.32 TFLOPS

Blender

GeForce GT 640

32

A30 PCIe +6262%

2036

GeForce GT 640

VS

A30 PCIe

Graphics Card

Jun 2012

Release Date

Apr 2021

GeForce 600

Generation

Tesla Ampere

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

930 MHz

-

Boost Clock

1440 MHz

891 MHz

Memory Clock

1215 MHz

Memory

2GB

Memory Size

24GB

DDR3

Memory Type

HBM2e

128bit

Memory Bus

3072bit

28.51GB/s

Bandwidth

933.1GB/s

Render Config

-

SM Count

56

384

Shading Units

3584

32

TMUs

224

16

ROPs

96

-

Tensor Cores

224

-

16 KB (per SMX)

L1 Cache

192 KB (per SM)

256 KB

L2 Cache

24 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

138.2 GPixel/s

28.86 GTexel/s

Texture Rate

322.6 GTexel/s

-

FP16 (half)

10.32 TFLOPS

692.7 GFLOPS

FP32 (float)

10.32 TFLOPS

28.86 GFLOPS

FP64 (double)

5.161 TFLOPS

Board Design

65W

TDP

165W

250 W

Suggested PSU

450 W

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

Outputs

No outputs

None

Power Connectors

8-pin EPS

Graphics Processor

GK107

GPU Name

GA100

GK107-300-A2

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.27 billion

Transistors

54.2 billion

118 mm²

Die Size

826 mm²

Graphics Features

12 (11_0)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.1

Vulkan

N/A

3.0

CUDA

8.0

5.1

Shader Model

N/A

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