AMD Radeon Pro V620 vs NVIDIA GeForce GT 640

VS

AMD Radeon Pro V620

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 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 V620 's Advantages

Released 9 years and 5 months late

Boost Clock2200MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 28.51GB/s)

4224 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +2826%

20.28 TFLOPS

GeForce GT 640

0.693 TFLOPS

Radeon Pro V620

VS

GeForce GT 640

Graphics Card

Nov 2021

Release Date

Jun 2012

Radeon Pro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2200 MHz

Boost Clock

-

2000 MHz

Memory Clock

891 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

28.51GB/s

Render Config

72

Compute Units

-

4608

Shading Units

384

288

TMUs

32

128

ROPs

16

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

7.216 GPixel/s

633.6 GTexel/s

Texture Rate

28.86 GTexel/s

40.55 TFLOPS

FP16 (half)

-

20.28 TFLOPS

FP32 (float)

692.7 GFLOPS

1267 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

300W

TDP

65W

700 W

Suggested PSU

250 W

No outputs

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

GK107

Navi 21 XT (215-121000177)

GPU Variant

GK107-300-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

1.27 billion

520 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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