NVIDIA GeForce GT 645 OEM vs AMD Radeon Pro VII

VS

NVIDIA GeForce GT 645 OEM

AMD Radeon Pro VII

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 16GB VRAM Radeon Pro VII to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 250W)

AMD Radeon Pro VII 's Advantages

Released 8 years and 1 months late

Boost Clock1700MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (1020GB/s vs 91.87GB/s)

3552 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

Radeon Pro VII +1360%

13.06 TFLOPS

GeForce GT 645 OEM

VS

Radeon Pro VII

Graphics Card

Apr 2012

Release Date

May 2020

GeForce 600

Generation

Radeon Pro Vega

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1400 MHz

-

Boost Clock

1700 MHz

957 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

HBM2

192bit

Memory Bus

4096bit

91.87GB/s

Bandwidth

1020GB/s

Render Config

-

Compute Units

60

6

SM Count

-

288

Shading Units

3840

48

TMUs

240

24

ROPs

64

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

4 MB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

108.8 GPixel/s

37.25 GTexel/s

Texture Rate

408.0 GTexel/s

-

FP16 (half)

26.11 TFLOPS

894.0 GFLOPS

FP32 (float)

13.06 TFLOPS

74.50 GFLOPS

FP64 (double)

6.528 TFLOPS

Board Design

102W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

6x mini-DisplayPort 1.4a

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF114

GPU Name

Vega 20

-

GPU Variant

Vega 20 GLXT WS (215-0914026)

Fermi 2.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.95 billion

Transistors

13.23 billion

332 mm²

Die Size

331 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

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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