NVIDIA A40 PCIe vs NVIDIA GeForce GTX 980

VS

NVIDIA A40 PCIe

NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 6 years and 1 months late

Boost Clock has increased by 43% (1740MHz vs 1216MHz)

More VRAM (48GB vs 4GB)

Larger VRAM bandwidth (695.8GB/s vs 224.4GB/s)

8704 additional rendering cores

NVIDIA GeForce GTX 980 's Advantages

Lower TDP (165W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +651%

37.42 TFLOPS

GeForce GTX 980

4.981 TFLOPS

A40 PCIe

VS

GeForce GTX 980

Graphics Card

Oct 2020

Release Date

Sep 2014

Tesla

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

1127 MHz

1740 MHz

Boost Clock

1216 MHz

1812 MHz

Memory Clock

1753 MHz

Memory

48GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

256bit

695.8GB/s

Bandwidth

224.4GB/s

Render Config

-

84

SM Count

-

10752

Shading Units

2048

336

TMUs

128

112

ROPs

64

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

48 KB (per SMM)

6 MB

L2 Cache

2 MB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

77.82 GPixel/s

584.6 GTexel/s

Texture Rate

155.6 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

4.981 TFLOPS

584.6 GFLOPS

FP64 (double)

155.6 GFLOPS

Board Design

300W

TDP

165W

700 W

Suggested PSU

450 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

8-pin EPS

Power Connectors

2x 6-pin

Graphics Processor

GA102

GPU Name

GM204

-

GPU Variant

GM204-400-A1

Ampere

Architecture

Maxwell 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

5.2 billion

628 mm²

Die Size

398 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

5.2

6.6

Shader Model

6.4

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