NVIDIA GeForce GTX 780 Ti Engineering Sample vs NVIDIA A40 PCIe

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

NVIDIA A40 PCIe

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

Main Differences

NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages

Lower TDP (250W vs 300W)

NVIDIA A40 PCIe 's Advantages

Boost Clock has increased by 88% (1740MHz vs 928MHz)

More VRAM (48GB vs 3GB)

Larger VRAM bandwidth (695.8GB/s vs 336.6GB/s)

7872 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti Engineering Sample

5.345 TFLOPS

A40 PCIe +600%

37.42 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

A40 PCIe

Graphics Card

Unknown

Release Date

Oct 2020

GeForce 700

Generation

Tesla

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

875 MHz

Base Clock

1305 MHz

928 MHz

Boost Clock

1740 MHz

1753 MHz

Memory Clock

1812 MHz

Memory

3GB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

384bit

336.6GB/s

Bandwidth

695.8GB/s

Render Config

-

SM Count

84

2880

Shading Units

10752

240

TMUs

336

48

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1536 KB

L2 Cache

6 MB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

194.9 GPixel/s

222.7 GTexel/s

Texture Rate

584.6 GTexel/s

-

FP16 (half)

37.42 TFLOPS

5.345 TFLOPS

FP32 (float)

37.42 TFLOPS

222.7 GFLOPS

FP64 (double)

584.6 GFLOPS

Board Design

250W

TDP

300W

600 W

Suggested PSU

700 W

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

Outputs

3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

8-pin EPS

Graphics Processor

GK180

GPU Name

GA102

GK180-425-A1

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

7.08 billion

Transistors

28.3 billion

561 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

1.2.175

Vulkan

1.3

3.5

CUDA

8.6

5.1

Shader Model

6.6

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