NVIDIA GeForce GTX 645 OEM vs NVIDIA CMP 70HX

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA CMP 70HX

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 8GB VRAM CMP 70HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 70HX 's Advantages

Released 7 years and 9 months late

Boost Clock1395MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (608.3GB/s vs 64.00GB/s)

3264 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

CMP 70HX +1028%

10.71 TFLOPS

GeForce GTX 645 OEM

VS

CMP 70HX

Graphics Card

Apr 2013

Release Date

Jan 2021

GeForce 600

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1365 MHz

-

Boost Clock

1395 MHz

1000 MHz

Memory Clock

1188 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6X

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

608.3GB/s

Render Config

-

SM Count

30

576

Shading Units

3840

48

TMUs

120

16

ROPs

64

-

Tensor Cores

120

-

RT Cores

30

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

89.28 GPixel/s

39.55 GTexel/s

Texture Rate

167.4 GTexel/s

-

FP16 (half)

10.71 TFLOPS

949.2 GFLOPS

FP32 (float)

10.71 TFLOPS

39.55 GFLOPS

FP64 (double)

167.4 GFLOPS

Board Design

65W

TDP

Unknown

250 W

Suggested PSU

200 W

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

Outputs

No outputs

None

Power Connectors

1x 12-pin

Graphics Processor

GK106

GPU Name

GA104

GK106-200-A1

GPU Variant

GA104-100-A1

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.54 billion

Transistors

17.4 billion

221 mm²

Die Size

392 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

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