AMD Radeon Pro W6400 vs NVIDIA GeForce GTX 660 Ti

VS

AMD Radeon Pro W6400 NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro W6400 and 2GB VRAM GeForce GTX 660 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6400 's Advantages

Released 9 years and 5 months late

Boost Clock has increased by 138% (2331MHz vs 980MHz)

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 150W)

NVIDIA GeForce GTX 660 Ti 's Advantages

Larger VRAM bandwidth (144.2GB/s vs 112.0GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro W6400 +35%

3.58 TFLOPS

GeForce GTX 660 Ti

2.634 TFLOPS

Blender

Radeon Pro W6400 +60%

221

GeForce GTX 660 Ti

138

Radeon Pro W6400

VS

GeForce GTX 660 Ti

Graphics Card

Jan 2022

Release Date

Aug 2012

Radeon Pro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2331 MHz

Base Clock

915 MHz

2331 MHz

Boost Clock

980 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

192bit

112.0GB/s

Bandwidth

144.2GB/s

Render Config

-

SM Count

-

12

Compute Units

-

768

Shading Units

1344

48

TMUs

112

32

ROPs

24

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

384 KB

Theoretical Performance

74.59 GPixel/s

Pixel Rate

27.44 GPixel/s

111.9 GTexel/s

Texture Rate

109.8 GTexel/s

7.161 TFLOPS

FP16 (half)

-

3.580 TFLOPS

FP32 (float)

2.634 TFLOPS

223.8 GFLOPS

FP64 (double)

109.8 GFLOPS

Graphics Processor

Navi 24

GPU Name

GK104

Navi 24 XL-W

GPU Variant

GK104-300-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

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

2x DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 6-pin

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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