AMD Radeon RX 7600 XT vs NVIDIA GeForce GTX 645 OEM

VS

AMD Radeon RX 7600 XT NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7600 XT and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7600 XT's Advantages

Released 10 years and 9 months late

Boost Clock 2755MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (288.0GB/s vs 64.00GB/s)

1472 additional rendering cores

NVIDIA GeForce GTX 645 OEM's Advantages

Lower TDP (65W vs 190W)

Score

Benchmark

FP32 (float)

Radeon RX 7600 XT +2278%

22.57 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon RX 7600 XT

VS

GeForce GTX 645 OEM

Graphics Card

Jan 2024

Release Date

Apr 2013

Navi III

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1980MHz

Base Clock

-

2755MHz

Boost Clock

-

2250MHz

Memory Clock

1000MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

288.0 GB/s

Bandwidth

64.00 GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

576

128

TMUs

48

64

ROPs

16

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

2MB

L2 Cache

256KB

Theoretical Performance

176.3 GPixel/s

Pixel Rate

9.888 GPixel/s

352.6 GTexel/s

Texture Rate

39.55 GTexel/s

45.14 TFLOPS

FP16 (half)

-

22.57 TFLOPS

FP32 (float)

949.2 GFLOPS

705.3 GFLOPS

FP64 (double)

39.55 GFLOPS

Graphics Processor

Navi 33

GPU Name

GK106

Navi 33 XT (215-163000047)

GPU Variant

GK106-200-A1

RDNA 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

13,300 million

Transistors

2,540 million

204mm²

Die Size

221mm²

Board Design

190W

TDP

65W

450W

Suggested PSU

250W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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