NVIDIA GeForce GTX 645 OEM vs AMD Radeon Pro V620

VS

NVIDIA GeForce GTX 645 OEM

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 32GB VRAM Radeon Pro V620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 300W)

AMD Radeon Pro V620 's Advantages

Released 8 years and 7 months late

Boost Clock2200MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

4032 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon Pro V620 +2036%

20.28 TFLOPS

GeForce GTX 645 OEM

VS

Radeon Pro V620

Graphics Card

Apr 2013

Release Date

Nov 2021

GeForce 600

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2200 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

72

-

576

Shading Units

4608

48

TMUs

288

16

ROPs

128

-

RT Cores

72

16 KB (per SMX)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

9.888 GPixel/s

Pixel Rate

281.6 GPixel/s

39.55 GTexel/s

Texture Rate

633.6 GTexel/s

-

FP16 (half)

40.55 TFLOPS

949.2 GFLOPS

FP32 (float)

20.28 TFLOPS

39.55 GFLOPS

FP64 (double)

1267 GFLOPS

Board Design

65W

TDP

300W

250 W

Suggested PSU

700 W

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

Outputs

No outputs

None

Power Connectors

2x 8-pin

Graphics Processor

GK106

GPU Name

Navi 21

GK106-200-A1

GPU Variant

Navi 21 XT (215-121000177)

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.54 billion

Transistors

26.8 billion

221 mm²

Die Size

520 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.5

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