NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon Pro W6800X Duo

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD Radeon Pro W6800X Duo

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 32GB VRAM Radeon Pro W6800X Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 400W)

AMD Radeon Pro W6800X Duo 's Advantages

Released 9 years and 4 months late

Boost Clock1967MHz

More VRAM (32GB vs 1536GB)

Larger VRAM bandwidth (512.0GB/s vs 38.40GB/s)

3696 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon Pro W6800X Duo +3540%

15.11 TFLOPS

GeForce GT 640 OEM Rebrand

VS

Radeon Pro W6800X Duo

Graphics Card

Apr 2012

Release Date

Aug 2021

GeForce 600

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

Apple MPX

Clock Speeds

-

Base Clock

1800 MHz

-

Boost Clock

1967 MHz

800 MHz

Memory Clock

2000 MHz

Memory

1536MB

Memory Size

32GB

DDR3

Memory Type

GDDR6

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

60

3

SM Count

-

144

Shading Units

3840

24

TMUs

240

24

ROPs

96

-

RT Cores

60

64 KB (per SM)

L1 Cache

128 KB per Array

384 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

4.320 GPixel/s

Pixel Rate

188.8 GPixel/s

17.28 GTexel/s

Texture Rate

472.1 GTexel/s

-

FP16 (half)

30.21 TFLOPS

414.7 GFLOPS

FP32 (float)

15.11 TFLOPS

34.56 GFLOPS

FP64 (double)

944.2 GFLOPS

Board Design

75W

TDP

400W

250 W

Suggested PSU

800 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.1 4x Thunderbolt

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

Navi 21

GF116-150-A1

GPU Variant

Navi 21 Pro-XLA

Fermi 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.17 billion

Transistors

26.8 billion

238 mm²

Die Size

520 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.7

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