NVIDIA A40 PCIe vs NVIDIA GeForce GTX 650

VS

NVIDIA A40 PCIe

NVIDIA GeForce GTX 650

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 1024MB VRAM GeForce GTX 650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 8 years and 1 months late

Boost Clock1740MHz

More VRAM (48GB vs 1024GB)

Larger VRAM bandwidth (695.8GB/s vs 80.00GB/s)

10368 additional rendering cores

NVIDIA GeForce GTX 650 's Advantages

Lower TDP (65W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +4508%

37.42 TFLOPS

GeForce GTX 650

0.812 TFLOPS

Blender

A40 PCIe +8772%

4170

GeForce GTX 650

47

A40 PCIe

VS

GeForce GTX 650

Graphics Card

Oct 2020

Release Date

Sep 2012

Tesla

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

-

1740 MHz

Boost Clock

-

1812 MHz

Memory Clock

1250 MHz

Memory

48GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

695.8GB/s

Bandwidth

80.00GB/s

Render Config

-

84

SM Count

-

10752

Shading Units

384

336

TMUs

32

112

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

256 KB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

8.464 GPixel/s

584.6 GTexel/s

Texture Rate

33.86 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

812.5 GFLOPS

584.6 GFLOPS

FP64 (double)

33.86 GFLOPS

Board Design

300W

TDP

65W

700 W

Suggested PSU

250 W

3x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.4a

8-pin EPS

Power Connectors

1x 6-pin

Graphics Processor

GA102

GPU Name

GK107

-

GPU Variant

GK107-450-A2

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

1.27 billion

628 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.0

6.6

Shader Model

5.1

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