NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 7500 XT

VS

NVIDIA GeForce GTX 645 OEM

AMD Radeon RX 7500 XT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 6GB VRAM Radeon RX 7500 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 100W)

AMD Radeon RX 7500 XT 's Advantages

Boost Clock2300MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (216.0GB/s vs 64.00GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon RX 7500 XT +892%

9.421 TFLOPS

GeForce GTX 645 OEM

VS

Radeon RX 7500 XT

Graphics Card

Apr 2013

Release Date

Unknown

GeForce 600

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1452 MHz

-

Boost Clock

2300 MHz

1000 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

96bit

64.00GB/s

Bandwidth

216.0GB/s

Render Config

-

Compute Units

16

-

576

Shading Units

1024

48

TMUs

64

16

ROPs

32

-

RT Cores

16

16 KB (per SMX)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

64 MB

Theoretical Performance

9.888 GPixel/s

Pixel Rate

73.60 GPixel/s

39.55 GTexel/s

Texture Rate

147.2 GTexel/s

-

FP16 (half)

18.84 TFLOPS

949.2 GFLOPS

FP32 (float)

9.421 TFLOPS

39.55 GFLOPS

FP64 (double)

294.4 GFLOPS

Board Design

65W

TDP

100W

250 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

None

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

Navi 33

GK106-200-A1

GPU Variant

Navi 33

Kepler

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.54 billion

Transistors

13.3 billion

221 mm²

Die Size

204 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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