NVIDIA GeForce GTX 645 OEM vs AMD Radeon Pro 5500 XT

VS

NVIDIA GeForce GTX 645 OEM

AMD Radeon Pro 5500 XT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 8GB VRAM Radeon Pro 5500 XT 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 125W)

AMD Radeon Pro 5500 XT 's Advantages

Released 7 years and 4 months late

Boost Clock1757MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon Pro 5500 XT +468%

5.398 TFLOPS

GeForce GTX 645 OEM

VS

Radeon Pro 5500 XT

Graphics Card

Apr 2013

Release Date

Aug 2020

GeForce 600

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1187 MHz

-

Boost Clock

1757 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

24

-

576

Shading Units

1536

48

TMUs

96

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

2 MB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

56.22 GPixel/s

39.55 GTexel/s

Texture Rate

168.7 GTexel/s

-

FP16 (half)

10.80 TFLOPS

949.2 GFLOPS

FP32 (float)

5.398 TFLOPS

39.55 GFLOPS

FP64 (double)

337.3 GFLOPS

Board Design

65W

TDP

125W

250 W

Suggested PSU

300 W

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

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK106

GPU Name

Navi 14

GK106-200-A1

GPU Variant

Navi 14 PRO XL

Kepler

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.54 billion

Transistors

6.4 billion

221 mm²

Die Size

158 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

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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