NVIDIA GeForce GTX 950 vs NVIDIA A40 PCIe

VS

NVIDIA GeForce GTX 950

NVIDIA A40 PCIe

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 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 950 's Advantages

Lower TDP (90W vs 300W)

NVIDIA A40 PCIe 's Advantages

Released 5 years and 2 months late

Boost Clock has increased by 46% (1740MHz vs 1188MHz)

More VRAM (48GB vs 2GB)

Larger VRAM bandwidth (695.8GB/s vs 105.8GB/s)

9984 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 950

1.825 TFLOPS

A40 PCIe +1950%

37.42 TFLOPS

GeForce GTX 950

VS

A40 PCIe

Graphics Card

Aug 2015

Release Date

Oct 2020

GeForce 900

Generation

Tesla

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1024 MHz

Base Clock

1305 MHz

1188 MHz

Boost Clock

1740 MHz

1653 MHz

Memory Clock

1812 MHz

Memory

2GB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

105.8GB/s

Bandwidth

695.8GB/s

Render Config

-

SM Count

84

768

Shading Units

10752

48

TMUs

336

32

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

48 KB (per SMM)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

6 MB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

194.9 GPixel/s

57.02 GTexel/s

Texture Rate

584.6 GTexel/s

-

FP16 (half)

37.42 TFLOPS

1.825 TFLOPS

FP32 (float)

37.42 TFLOPS

57.02 GFLOPS

FP64 (double)

584.6 GFLOPS

Board Design

90W

TDP

300W

250 W

Suggested PSU

700 W

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

Outputs

3x DisplayPort 1.4a

1x 6-pin

Power Connectors

8-pin EPS

Graphics Processor

GM206

GPU Name

GA102

GM206-250-A1

GPU Variant

-

Maxwell 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.94 billion

Transistors

28.3 billion

228 mm²

Die Size

628 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.2

CUDA

8.6

6.4

Shader Model

6.6

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