NVIDIA GeForce GTX 660 OEM vs NVIDIA CMP 40HX

VS

NVIDIA GeForce GTX 660 OEM

NVIDIA CMP 40HX

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 8GB VRAM CMP 40HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 185W)

NVIDIA CMP 40HX 's Advantages

Released 8 years and 6 months late

Boost Clock has increased by 86% (1650MHz vs 888MHz)

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (448.0GB/s vs 134.4GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

CMP 40HX +271%

7.603 TFLOPS

GeForce GTX 660 OEM

VS

CMP 40HX

Graphics Card

Aug 2012

Release Date

Feb 2021

GeForce 600

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

823 MHz

Base Clock

1470 MHz

888 MHz

Boost Clock

1650 MHz

1400 MHz

Memory Clock

1750 MHz

Memory

1536MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

256bit

134.4GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

36

1152

Shading Units

2304

96

TMUs

144

24

ROPs

64

-

Tensor Cores

288

-

RT Cores

36

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

4 MB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

105.6 GPixel/s

85.25 GTexel/s

Texture Rate

237.6 GTexel/s

-

FP16 (half)

15.21 TFLOPS

2.046 TFLOPS

FP32 (float)

7.603 TFLOPS

85.25 GFLOPS

FP64 (double)

237.6 GFLOPS

Board Design

130W

TDP

185W

300 W

Suggested PSU

450 W

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

Outputs

No outputs

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GK104

GPU Name

TU106

GK104-200-KD-A2

GPU Variant

TU106-100-A1

Kepler

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

3.54 billion

Transistors

10.8 billion

294 mm²

Die Size

445 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

7.5

5.1

Shader Model

6.6

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