NVIDIA A40 PCIe vs NVIDIA GeForce GTX 780

VS

NVIDIA A40 PCIe

NVIDIA GeForce GTX 780

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 3GB VRAM GeForce GTX 780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 7 years and 5 months late

Boost Clock has increased by 93% (1740MHz vs 902MHz)

More VRAM (48GB vs 3GB)

Larger VRAM bandwidth (695.8GB/s vs 288.4GB/s)

8448 additional rendering cores

NVIDIA GeForce GTX 780 's Advantages

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +800%

37.42 TFLOPS

GeForce GTX 780

4.156 TFLOPS

Blender

A40 PCIe +2367%

4170

GeForce GTX 780

169

A40 PCIe

VS

GeForce GTX 780

Graphics Card

Oct 2020

Release Date

May 2013

Tesla

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

863 MHz

1740 MHz

Boost Clock

902 MHz

1812 MHz

Memory Clock

1502 MHz

Memory

48GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

384bit

695.8GB/s

Bandwidth

288.4GB/s

Render Config

-

84

SM Count

-

10752

Shading Units

2304

336

TMUs

192

112

ROPs

48

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

1536 KB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

43.30 GPixel/s

584.6 GTexel/s

Texture Rate

173.2 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

4.156 TFLOPS

584.6 GFLOPS

FP64 (double)

173.2 GFLOPS

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

8-pin EPS

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA102

GPU Name

GK110

-

GPU Variant

GK110-300-A1

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

7.08 billion

628 mm²

Die Size

561 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.5

6.6

Shader Model

5.1

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