NVIDIA A40 PCIe vs NVIDIA GeForce GTS 250

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 1024MB VRAM GeForce GTS 250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 11 years and 7 months late

Boost Clock1740MHz

More VRAM (48GB vs 1GB)

Larger VRAM bandwidth (695.8GB/s vs 64.00GB/s)

10624 additional rendering cores

NVIDIA GeForce GTS 250 's Advantages

Lower TDP (150W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +9569%

37.42 TFLOPS

GeForce GTS 250

0.387 TFLOPS

A40 PCIe

VS

GeForce GTS 250

Graphics Card

Oct 2020

Release Date

Mar 2009

Tesla

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1305 MHz

Base Clock

-

1740 MHz

Boost Clock

-

1812 MHz

Memory Clock

1000 MHz

Memory

48GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

384bit

Memory Bus

256bit

695.8GB/s

Bandwidth

64.00GB/s

Render Config

84

SM Count

16

-

Compute Units

-

10752

Shading Units

128

336

TMUs

64

112

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

64 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

11.23 GPixel/s

584.6 GTexel/s

Texture Rate

44.93 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

387.1 GFLOPS

584.6 GFLOPS

FP64 (double)

-

Graphics Processor

GA102

GPU Name

G92B

-

GPU Variant

G92-428-B1

Ampere

Architecture

Tesla

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

28.3 billion

Transistors

0.754 billion

628 mm²

Die Size

260 mm²

Board Design

300W

TDP

150W

700 W

Suggested PSU

450 W

3x DisplayPort 1.4a

Outputs

2x DVI

8-pin EPS

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

1.1

6.6

Shader Model

4.0

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