NVIDIA A30 PCIe vs NVIDIA GeForce GT 640 Rev. 2

VS

NVIDIA A30 PCIe

NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 24GB VRAM A30 PCIe and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A30 PCIe 's Advantages

Released 7 years and 11 months late

Boost Clock1440MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (933.1GB/s vs 40.06GB/s)

3200 additional rendering cores

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Lower TDP (49W vs 165W)

Score

Benchmark

FP32 (float)

A30 PCIe +1185%

10.32 TFLOPS

GeForce GT 640 Rev. 2

0.803 TFLOPS

A30 PCIe

VS

GeForce GT 640 Rev. 2

Graphics Card

Apr 2021

Release Date

May 2013

Tesla Ampere

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

930 MHz

Base Clock

-

1440 MHz

Boost Clock

-

1215 MHz

Memory Clock

1252 MHz

Memory

24GB

Memory Size

1024MB

HBM2e

Memory Type

GDDR5

3072bit

Memory Bus

64bit

933.1GB/s

Bandwidth

40.06GB/s

Render Config

-

56

SM Count

-

3584

Shading Units

384

224

TMUs

32

96

ROPs

8

224

Tensor Cores

-

192 KB (per SM)

L1 Cache

16 KB (per SMX)

24 MB

L2 Cache

512 KB

-

Theoretical Performance

138.2 GPixel/s

Pixel Rate

8.368 GPixel/s

322.6 GTexel/s

Texture Rate

33.47 GTexel/s

10.32 TFLOPS

FP16 (half)

-

10.32 TFLOPS

FP32 (float)

803.3 GFLOPS

5.161 TFLOPS

FP64 (double)

33.47 GFLOPS

Board Design

165W

TDP

49W

450 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

8-pin EPS

Power Connectors

None

Graphics Processor

GA100

GPU Name

GK208

-

GPU Variant

GK208-400-A1

Ampere

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

54.2 billion

Transistors

1.02 billion

826 mm²

Die Size

87 mm²

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.1

8.0

CUDA

3.5

N/A

Shader Model

5.1

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