NVIDIA GeForce GTX 660 vs NVIDIA RTX A400

VS

NVIDIA GeForce GTX 660

NVIDIA RTX A400

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 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 660 's Advantages

Larger VRAM bandwidth (144.2GB/s vs 96.00GB/s)

192 additional rendering cores

NVIDIA RTX A400 's Advantages

Released 11 years and 7 months late

Boost Clock has increased by 71% (1762MHz vs 1032MHz)

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660

1.981 TFLOPS

RTX A400 +36%

2.706 TFLOPS

GeForce GTX 660

VS

RTX A400

Graphics Card

Sep 2012

Release Date

Apr 2024

GeForce 600

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

980 MHz

Base Clock

1417 MHz

1032 MHz

Boost Clock

1762 MHz

1502 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

64bit

144.2GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

6

960

Shading Units

768

80

TMUs

24

ROPs

16

-

Tensor Cores

24

-

RT Cores

6

16 KB (per SMX)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

2 MB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

28.19 GPixel/s

82.56 GTexel/s

Texture Rate

42.29 GTexel/s

-

FP16 (half)

2.706 TFLOPS

1.981 TFLOPS

FP32 (float)

2.706 TFLOPS

82.56 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

140W

TDP

50W

300 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

4x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

GK106

GPU Name

GA107

GK106-400-A1

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.54 billion

Transistors

8.7 billion

221 mm²

Die Size

200 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

6.8

Related GPU Comparisons

1

NVIDIA GeForce GTX 660 vs ATI Radeon HD 2600 XT AGP

2

NVIDIA GeForce GTX 660 vs AMD FirePro D300

3

NVIDIA GeForce GTX 660 vs AMD Radeon Pro V420

4

NVIDIA GeForce GTX 660 vs NVIDIA GeForce RTX 4010

5

NVIDIA GeForce GTX 660 vs NVIDIA GeForce 9500 GT

6

NVIDIA GeForce GTX 660 vs AMD Radeon HD 7570

7

NVIDIA GeForce GTX 660 vs AMD Radeon HD 6450

8

NVIDIA GeForce GTX 660 vs NVIDIA GeForce 8800 GS

9

NVIDIA GeForce GTX 660 vs NVIDIA GeForce RTX 4080

10

NVIDIA GeForce GTX 660 vs NVIDIA GeForce GT 1010 DDR4

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

3

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

4

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

5

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

6

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

7

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early