NVIDIA GeForce GTX 950 vs NVIDIA RTX A400

VS

NVIDIA GeForce GTX 950

NVIDIA RTX A400

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950 's Advantages

Larger VRAM bandwidth (105.8GB/s vs 96.00GB/s)

NVIDIA RTX A400 's Advantages

Released 8 years and 8 months late

Boost Clock has increased by 48% (1762MHz vs 1188MHz)

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 90W)

Score

Benchmark

FP32 (float)

GeForce GTX 950

1.825 TFLOPS

RTX A400 +48%

2.706 TFLOPS

GeForce GTX 950

VS

RTX A400

Graphics Card

Aug 2015

Release Date

Apr 2024

GeForce 900

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1024 MHz

Base Clock

1417 MHz

1188 MHz

Boost Clock

1762 MHz

1653 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

105.8GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

6

768

Shading Units

768

48

TMUs

24

32

ROPs

16

-

Tensor Cores

24

-

RT Cores

6

48 KB (per SMM)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

28.19 GPixel/s

57.02 GTexel/s

Texture Rate

42.29 GTexel/s

-

FP16 (half)

2.706 TFLOPS

1.825 TFLOPS

FP32 (float)

2.706 TFLOPS

57.02 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

90W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

4x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

GM206

GPU Name

GA107

GM206-250-A1

GPU Variant

-

Maxwell 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.94 billion

Transistors

8.7 billion

228 mm²

Die Size

200 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

6.8

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