NVIDIA GeForce GTX 650 vs NVIDIA A40 PCIe

VS

NVIDIA GeForce GTX 650

NVIDIA A40 PCIe

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 650 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 650 's Advantages

Lower TDP (65W vs 300W)

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

Score

Benchmark

FP32 (float)

GeForce GTX 650

0.812 TFLOPS

A40 PCIe +4508%

37.42 TFLOPS

Blender

GeForce GTX 650

47

A40 PCIe +8772%

4170

GeForce GTX 650

VS

A40 PCIe

Graphics Card

Sep 2012

Release Date

Oct 2020

GeForce 600

Generation

Tesla

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1305 MHz

-

Boost Clock

1740 MHz

1250 MHz

Memory Clock

1812 MHz

Memory

1024MB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

80.00GB/s

Bandwidth

695.8GB/s

Render Config

-

SM Count

84

384

Shading Units

10752

32

TMUs

336

16

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

8.464 GPixel/s

Pixel Rate

194.9 GPixel/s

33.86 GTexel/s

Texture Rate

584.6 GTexel/s

-

FP16 (half)

37.42 TFLOPS

812.5 GFLOPS

FP32 (float)

37.42 TFLOPS

33.86 GFLOPS

FP64 (double)

584.6 GFLOPS

Board Design

65W

TDP

300W

250 W

Suggested PSU

700 W

2x DVI 1x mini-HDMI 1.4a

Outputs

3x DisplayPort 1.4a

1x 6-pin

Power Connectors

8-pin EPS

Graphics Processor

GK107

GPU Name

GA102

GK107-450-A2

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.27 billion

Transistors

28.3 billion

118 mm²

Die Size

628 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

8.6

5.1

Shader Model

6.6

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