NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon Pro W6400

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD Radeon Pro W6400

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 4GB VRAM Radeon Pro W6400 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 9 months late

Boost Clock2331MHz

More VRAM (4GB vs 1536GB)

Larger VRAM bandwidth (112.0GB/s vs 38.40GB/s)

624 additional rendering cores

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon Pro W6400 +762%

3.58 TFLOPS

GeForce GT 640 OEM Rebrand

VS

Radeon Pro W6400

Graphics Card

Apr 2012

Release Date

Jan 2022

GeForce 600

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2331 MHz

-

Boost Clock

2331 MHz

800 MHz

Memory Clock

1750 MHz

Memory

1536MB

Memory Size

4GB

DDR3

Memory Type

GDDR6

192bit

Memory Bus

64bit

38.40GB/s

Bandwidth

112.0GB/s

Render Config

-

Compute Units

12

3

SM Count

-

144

Shading Units

768

24

TMUs

48

24

ROPs

32

-

RT Cores

12

64 KB (per SM)

L1 Cache

128 KB per Array

384 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

4.320 GPixel/s

Pixel Rate

74.59 GPixel/s

17.28 GTexel/s

Texture Rate

111.9 GTexel/s

-

FP16 (half)

7.161 TFLOPS

414.7 GFLOPS

FP32 (float)

3.580 TFLOPS

34.56 GFLOPS

FP64 (double)

223.8 GFLOPS

Board Design

75W

TDP

50W

250 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

Navi 24

GF116-150-A1

GPU Variant

Navi 24 XL-W

Fermi 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

1.17 billion

Transistors

5.4 billion

238 mm²

Die Size

107 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.2

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.6

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