NVIDIA GeForce GTX 660 OEM vs AMD Radeon RX 6300

VS

NVIDIA GeForce GTX 660 OEM

AMD Radeon RX 6300

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 2GB VRAM Radeon RX 6300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 64.00GB/s)

384 additional rendering cores

AMD Radeon RX 6300 's Advantages

Boost Clock has increased by 130% (2040MHz vs 888MHz)

More VRAM (2GB vs 1536GB)

Lower TDP (32W vs 130W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon RX 6300 +53%

3.133 TFLOPS

GeForce GTX 660 OEM

VS

Radeon RX 6300

Graphics Card

Aug 2012

Release Date

Unknown

GeForce 600

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

823 MHz

Base Clock

1000 MHz

888 MHz

Boost Clock

2040 MHz

1400 MHz

Memory Clock

2000 MHz

Memory

1536MB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

32bit

134.4GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

12

-

1152

Shading Units

768

96

TMUs

48

24

ROPs

32

-

RT Cores

12

16 KB (per SMX)

L1 Cache

128 KB per Array

384 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

21.31 GPixel/s

Pixel Rate

65.28 GPixel/s

85.25 GTexel/s

Texture Rate

97.92 GTexel/s

-

FP16 (half)

6.267 TFLOPS

2.046 TFLOPS

FP32 (float)

3.133 TFLOPS

85.25 GFLOPS

FP64 (double)

195.8 GFLOPS

Board Design

130W

TDP

32W

300 W

Suggested PSU

200 W

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

Outputs

2x HDMI 2.1

1x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

Navi 24

GK104-200-KD-A2

GPU Variant

Navi 24 XL

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

3.54 billion

Transistors

5.4 billion

294 mm²

Die Size

107 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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