NVIDIA GeForce GT 645 OEM vs NVIDIA CMP 170HX

VS

NVIDIA GeForce GT 645 OEM

NVIDIA CMP 170HX

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 16GB VRAM CMP 170HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 250W)

NVIDIA CMP 170HX 's Advantages

Released 9 years and 5 months late

Boost Clock1410MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (1493GB/s vs 91.87GB/s)

4192 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

CMP 170HX +1312%

12.63 TFLOPS

GeForce GT 645 OEM

VS

CMP 170HX

Graphics Card

Apr 2012

Release Date

Sep 2021

GeForce 600

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1140 MHz

-

Boost Clock

1410 MHz

957 MHz

Memory Clock

1458 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

HBM2e

192bit

Memory Bus

4096bit

91.87GB/s

Bandwidth

1493GB/s

Render Config

-

6

SM Count

70

288

Shading Units

4480

48

TMUs

280

24

ROPs

128

-

Tensor Cores

280

-

64 KB (per SM)

L1 Cache

192 KB (per SM)

384 KB

L2 Cache

8 MB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

180.5 GPixel/s

37.25 GTexel/s

Texture Rate

394.8 GTexel/s

-

FP16 (half)

50.53 TFLOPS

894.0 GFLOPS

FP32 (float)

12.63 TFLOPS

74.50 GFLOPS

FP64 (double)

6.317 TFLOPS

Board Design

102W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

No outputs

-

Power Connectors

2x 8-pin

Graphics Processor

GF114

GPU Name

GA100

-

GPU Variant

GA100-105F-A1

Fermi 2.0

Architecture

Ampere

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.95 billion

Transistors

54.2 billion

332 mm²

Die Size

826 mm²

Graphics Features

12 (11_0)

DirectX

N/A

4.6

OpenGL

N/A

1.1

OpenCL

3.0

N/A

Vulkan

N/A

2.1

CUDA

8.0

5.1

Shader Model

N/A

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