AMD Radeon Pro W6400 vs NVIDIA GeForce GT 640

VS

AMD Radeon Pro W6400

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro W6400 and 2GB VRAM GeForce GT 640 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 7 months late

Boost Clock2331MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (112.0GB/s vs 28.51GB/s)

384 additional rendering cores

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

Radeon Pro W6400 +416%

3.58 TFLOPS

GeForce GT 640

0.693 TFLOPS

Blender

Radeon Pro W6400 +590%

221

GeForce GT 640

32

Radeon Pro W6400

VS

GeForce GT 640

Graphics Card

Jan 2022

Release Date

Jun 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

-

2331 MHz

Boost Clock

-

1750 MHz

Memory Clock

891 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

64bit

Memory Bus

128bit

112.0GB/s

Bandwidth

28.51GB/s

Render Config

12

Compute Units

-

768

Shading Units

384

48

TMUs

32

ROPs

16

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

8 MB

L3 Cache

-

Theoretical Performance

74.59 GPixel/s

Pixel Rate

7.216 GPixel/s

111.9 GTexel/s

Texture Rate

28.86 GTexel/s

7.161 TFLOPS

FP16 (half)

-

3.580 TFLOPS

FP32 (float)

692.7 GFLOPS

223.8 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

50W

TDP

65W

250 W

Suggested PSU

250 W

2x DisplayPort 1.4a

Outputs

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

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

GK107

Navi 24 XL-W

GPU Variant

GK107-300-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.27 billion

107 mm²

Die Size

118 mm²

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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