NVIDIA GeForce GT 645 OEM vs NVIDIA CMP 70HX

VS

NVIDIA GeForce GT 645 OEM

NVIDIA CMP 70HX

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 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 8 years and 9 months late

Boost Clock1395MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (608.3GB/s vs 91.87GB/s)

3552 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

CMP 70HX +1097%

10.71 TFLOPS

GeForce GT 645 OEM

VS

CMP 70HX

Graphics Card

Apr 2012

Release Date

Jan 2021

GeForce 600

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1365 MHz

-

Boost Clock

1395 MHz

957 MHz

Memory Clock

1188 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6X

192bit

Memory Bus

256bit

91.87GB/s

Bandwidth

608.3GB/s

Render Config

-

6

SM Count

30

288

Shading Units

3840

48

TMUs

120

24

ROPs

64

-

Tensor Cores

120

-

RT Cores

30

64 KB (per SM)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

4 MB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

89.28 GPixel/s

37.25 GTexel/s

Texture Rate

167.4 GTexel/s

-

FP16 (half)

10.71 TFLOPS

894.0 GFLOPS

FP32 (float)

10.71 TFLOPS

74.50 GFLOPS

FP64 (double)

167.4 GFLOPS

Board Design

102W

TDP

Unknown

300 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

No outputs

-

Power Connectors

1x 12-pin

Graphics Processor

GF114

GPU Name

GA104

-

GPU Variant

GA104-100-A1

Fermi 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.95 billion

Transistors

17.4 billion

332 mm²

Die Size

392 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

8.6

5.1

Shader Model

6.8

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