NVIDIA CMP 40HX vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA CMP 40HX NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 8GB VRAM CMP 40HX and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 40HX 's Advantages

Released 8 years and 10 months late

Boost Clock1650MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (448.0GB/s vs 38.40GB/s)

2160 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 185W)

Score

Benchmark

FP32 (float)

CMP 40HX +1732%

7.603 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

CMP 40HX

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Feb 2021

Release Date

Apr 2012

Mining GPUs

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1470 MHz

Base Clock

-

1650 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

1536MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

38.40GB/s

Render Config

36

SM Count

3

-

Compute Units

-

2304

Shading Units

144

TMUs

24

64

ROPs

24

288

Tensor Cores

-

36

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

384 KB

Theoretical Performance

105.6 GPixel/s

Pixel Rate

4.320 GPixel/s

237.6 GTexel/s

Texture Rate

17.28 GTexel/s

15.21 TFLOPS

FP16 (half)

-

7.603 TFLOPS

FP32 (float)

414.7 GFLOPS

237.6 GFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

TU106

GPU Name

GF116

TU106-100-A1

GPU Variant

GF116-150-A1

Turing

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

10.8 billion

Transistors

1.17 billion

445 mm²

Die Size

238 mm²

Board Design

185W

TDP

75W

450 W

Suggested PSU

250 W

No outputs

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

7.5

CUDA

2.1

6.6

Shader Model

5.1

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