NVIDIA A40 PCIe vs NVIDIA GeForce GTX 950

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 2GB VRAM GeForce GTX 950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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

NVIDIA GeForce GTX 950 's Advantages

Lower TDP (90W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +1950%

37.42 TFLOPS

GeForce GTX 950

1.825 TFLOPS

A40 PCIe

VS

GeForce GTX 950

Graphics Card

Oct 2020

Release Date

Aug 2015

Tesla

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

1024 MHz

1740 MHz

Boost Clock

1188 MHz

1812 MHz

Memory Clock

1653 MHz

Memory

48GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

695.8GB/s

Bandwidth

105.8GB/s

Render Config

84

SM Count

-

Compute Units

-

10752

Shading Units

768

336

TMUs

48

112

ROPs

32

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

48 KB (per SMM)

6 MB

L2 Cache

1024 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

38.02 GPixel/s

584.6 GTexel/s

Texture Rate

57.02 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

1.825 TFLOPS

584.6 GFLOPS

FP64 (double)

57.02 GFLOPS

Graphics Processor

GA102

GPU Name

GM206

-

GPU Variant

GM206-250-A1

Ampere

Architecture

Maxwell 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

2.94 billion

628 mm²

Die Size

228 mm²

Board Design

300W

TDP

90W

700 W

Suggested PSU

250 W

3x DisplayPort 1.4a

Outputs

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

8-pin EPS

Power Connectors

1x 6-pin

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

Related GPU Comparisons

1

NVIDIA A40 PCIe vs NVIDIA L40

2

NVIDIA A100 PCIe vs NVIDIA A40 PCIe

3

NVIDIA A40 PCIe vs NVIDIA GeForce RTX 4090

4

NVIDIA A40 PCIe vs NVIDIA A30 PCIe

5

NVIDIA A40 PCIe vs NVIDIA L40S

6

NVIDIA RTX A6000 vs NVIDIA A40 PCIe

7

NVIDIA A40 PCIe vs NVIDIA Tesla T4

8

NVIDIA A40 PCIe vs AMD Radeon HD 8570 OEM Rebrand

9

NVIDIA A40 PCIe vs ATI Radeon HD 5850

10

NVIDIA A40 PCIe vs AMD Radeon HD 8770 OEM