AMD Radeon RX 6750 XT vs NVIDIA GeForce GTX 660 OEM

VS

AMD Radeon RX 6750 XT

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 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 6750 XT 's Advantages

Released 9 years and 7 months late

Boost Clock has increased by 193% (2600MHz vs 888MHz)

More VRAM (12GB vs 1536GB)

Larger VRAM bandwidth (432.0GB/s vs 134.4GB/s)

1408 additional rendering cores

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 XT +550%

13.31 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon RX 6750 XT

VS

GeForce GTX 660 OEM

Graphics Card

Mar 2022

Release Date

Aug 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2150 MHz

Base Clock

823 MHz

2600 MHz

Boost Clock

888 MHz

2250 MHz

Memory Clock

1400 MHz

Memory

12GB

Memory Size

1536MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

192bit

432.0GB/s

Bandwidth

134.4GB/s

Render Config

40

Compute Units

-

2560

Shading Units

1152

160

TMUs

96

64

ROPs

24

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

384 KB

96 MB

L3 Cache

-

Theoretical Performance

166.4 GPixel/s

Pixel Rate

21.31 GPixel/s

416.0 GTexel/s

Texture Rate

85.25 GTexel/s

26.62 TFLOPS

FP16 (half)

-

13.31 TFLOPS

FP32 (float)

2.046 TFLOPS

832.0 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

250W

TDP

130W

600 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 22

GPU Name

GK104

Navi 22 KXT (215-127000144)

GPU Variant

GK104-200-KD-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

3.54 billion

335 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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