AMD Radeon RX 6500 XT vs NVIDIA GeForce GTX 660 OEM

VS

AMD Radeon RX 6500 XT

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6500 XT and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6500 XT 's Advantages

Released 9 years and 5 months late

Boost Clock has increased by 217% (2815MHz vs 888MHz)

More VRAM (4GB vs 1536GB)

Larger VRAM bandwidth (143.9GB/s vs 134.4GB/s)

Lower TDP (107W vs 130W)

NVIDIA GeForce GTX 660 OEM 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6500 XT +181%

5.765 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon RX 6500 XT

VS

GeForce GTX 660 OEM

Graphics Card

Jan 2022

Release Date

Aug 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2310 MHz

Base Clock

823 MHz

2815 MHz

Boost Clock

888 MHz

2248 MHz

Memory Clock

1400 MHz

Memory

4GB

Memory Size

1536MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

192bit

143.9GB/s

Bandwidth

134.4GB/s

Render Config

16

Compute Units

-

1024

Shading Units

1152

64

TMUs

96

32

ROPs

24

-

16

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

384 KB

16 MB

L3 Cache

-

Theoretical Performance

90.08 GPixel/s

Pixel Rate

21.31 GPixel/s

180.2 GTexel/s

Texture Rate

85.25 GTexel/s

11.53 TFLOPS

FP16 (half)

-

5.765 TFLOPS

FP32 (float)

2.046 TFLOPS

360.3 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

107W

TDP

130W

300 W

Suggested PSU

300 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 24

GPU Name

GK104

Navi 24 XT (215-135000006)

GPU Variant

GK104-200-KD-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

3.54 billion

107 mm²

Die Size

294 mm²

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

6.6

Shader Model

5.1

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