NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon RX 6750 GRE 12 GB

VS

NVIDIA GeForce GTX 660 Rev. 2

AMD Radeon RX 6750 GRE 12 GB

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 12GB VRAM Radeon RX 6750 GRE 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Lower TDP (140W vs 250W)

AMD Radeon RX 6750 GRE 12 GB 's Advantages

Released 9 years and 1 months late

Boost Clock has increased by 150% (2581MHz vs 1032MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 144.2GB/s)

1600 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon RX 6750 GRE 12 GB +566%

13.21 TFLOPS

GeForce GTX 660 Rev. 2

VS

Radeon RX 6750 GRE 12 GB

Graphics Card

Sep 2014

Release Date

Oct 2023

GeForce 600

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

980 MHz

Base Clock

2321 MHz

1032 MHz

Boost Clock

2581 MHz

1502 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

192bit

144.2GB/s

Bandwidth

432.0GB/s

Render Config

-

Compute Units

40

-

960

Shading Units

2560

80

TMUs

160

24

ROPs

64

-

RT Cores

40

16 KB (per SMX)

L1 Cache

128 KB per Array

384 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

165.2 GPixel/s

82.56 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

1.981 TFLOPS

FP32 (float)

13.21 TFLOPS

82.56 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

140W

TDP

250W

300 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK104

GPU Name

Navi 22

-

GPU Variant

Navi 22 KXT (215-127000144)

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

3.54 billion

Transistors

17.2 billion

294 mm²

Die Size

335 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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