NVIDIA GeForce GTX 660 Ti vs AMD Radeon RX 7700

VS

NVIDIA GeForce GTX 660 Ti

AMD Radeon RX 7700

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 12GB VRAM Radeon RX 7700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Lower TDP (150W vs 200W)

AMD Radeon RX 7700 's Advantages

Boost Clock has increased by 165% (2600MHz vs 980MHz)

More VRAM (12GB vs 2GB)

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

1728 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti

2.634 TFLOPS

Radeon RX 7700 +1112%

31.95 TFLOPS

GeForce GTX 660 Ti

VS

Radeon RX 7700

Graphics Card

Aug 2012

Release Date

Unknown

GeForce 600

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

915 MHz

Base Clock

1900 MHz

980 MHz

Boost Clock

2600 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

48

-

1344

Shading Units

3072

112

TMUs

192

24

ROPs

96

-

RT Cores

48

16 KB (per SMX)

L1 Cache

128 KB per Array

384 KB

L2 Cache

2 MB

-

L3 Cache

64 MB

Theoretical Performance

27.44 GPixel/s

Pixel Rate

249.6 GPixel/s

109.8 GTexel/s

Texture Rate

499.2 GTexel/s

-

FP16 (half)

63.90 TFLOPS

2.634 TFLOPS

FP32 (float)

31.95 TFLOPS

109.8 GFLOPS

FP64 (double)

998.4 GFLOPS

Board Design

150W

TDP

200W

450 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GK104

GPU Name

Navi 32

GK104-300-KD-A2

GPU Variant

Navi 32

Kepler

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

3.54 billion

Transistors

28.1 billion

294 mm²

Die Size

346 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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