NVIDIA GeForce GT 645 OEM vs AMD Radeon Vega Frontier Edition

VS

NVIDIA GeForce GT 645 OEM

AMD Radeon Vega Frontier Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 16GB VRAM Radeon Vega Frontier Edition 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 300W)

AMD Radeon Vega Frontier Edition 's Advantages

Released 5 years and 2 months late

Boost Clock1600MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (483.8GB/s vs 91.87GB/s)

3808 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

Radeon Vega Frontier Edition +1366%

13.11 TFLOPS

GeForce GT 645 OEM

VS

Radeon Vega Frontier Edition

Graphics Card

Apr 2012

Release Date

Jun 2017

GeForce 600

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1382 MHz

-

Boost Clock

1600 MHz

957 MHz

Memory Clock

945 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

HBM2

192bit

Memory Bus

2048bit

91.87GB/s

Bandwidth

483.8GB/s

Render Config

-

Compute Units

64

6

SM Count

-

288

Shading Units

4096

48

TMUs

256

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

102.4 GPixel/s

37.25 GTexel/s

Texture Rate

409.6 GTexel/s

-

FP16 (half)

26.21 TFLOPS

894.0 GFLOPS

FP32 (float)

13.11 TFLOPS

74.50 GFLOPS

FP64 (double)

819.2 GFLOPS

Board Design

102W

TDP

300W

300 W

Suggested PSU

700 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

2x 8-pin

Graphics Processor

GF114

GPU Name

Vega 10

-

GPU Variant

Vega 10 XTX AIR

Fermi 2.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.95 billion

Transistors

12.5 billion

332 mm²

Die Size

495 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.4

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