NVIDIA A30 PCIe vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA A30 PCIe

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 24GB VRAM A30 PCIe 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 A30 PCIe 's Advantages

Released 9 years late

Boost Clock1440MHz

More VRAM (24GB vs 1536GB)

Larger VRAM bandwidth (933.1GB/s vs 38.40GB/s)

3440 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 165W)

Score

Benchmark

FP32 (float)

A30 PCIe +2386%

10.32 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

A30 PCIe

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Apr 2021

Release Date

Apr 2012

Tesla Ampere

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

930 MHz

Base Clock

-

1440 MHz

Boost Clock

-

1215 MHz

Memory Clock

800 MHz

Memory

24GB

Memory Size

1536MB

HBM2e

Memory Type

DDR3

3072bit

Memory Bus

192bit

933.1GB/s

Bandwidth

38.40GB/s

Render Config

-

56

SM Count

3

3584

Shading Units

144

224

TMUs

24

96

ROPs

24

224

Tensor Cores

-

192 KB (per SM)

L1 Cache

64 KB (per SM)

24 MB

L2 Cache

384 KB

-

Theoretical Performance

138.2 GPixel/s

Pixel Rate

4.320 GPixel/s

322.6 GTexel/s

Texture Rate

17.28 GTexel/s

10.32 TFLOPS

FP16 (half)

-

10.32 TFLOPS

FP32 (float)

414.7 GFLOPS

5.161 TFLOPS

FP64 (double)

34.56 GFLOPS

Board Design

165W

TDP

75W

450 W

Suggested PSU

250 W

No outputs

Outputs

2x DVI 1x mini-HDMI 1.3a

8-pin EPS

Power Connectors

None

Graphics Processor

GA100

GPU Name

GF116

-

GPU Variant

GF116-150-A1

Ampere

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

54.2 billion

Transistors

1.17 billion

826 mm²

Die Size

238 mm²

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

1.1

N/A

Vulkan

N/A

8.0

CUDA

2.1

N/A

Shader Model

5.1

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