AMD Radeon RX Vega 56 vs NVIDIA GeForce GTX 645 OEM

VS

AMD Radeon RX Vega 56 NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 56 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 's Advantages

Released 4 years and 4 months late

Boost Clock1471MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (409.6GB/s vs 64.00GB/s)

3008 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 210W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 +1010%

10.54 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon RX Vega 56

VS

GeForce GTX 645 OEM

Graphics Card

Aug 2017

Release Date

Apr 2013

Vega

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1156 MHz

Base Clock

-

1471 MHz

Boost Clock

-

800 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

128bit

409.6GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

56

Compute Units

-

3584

Shading Units

576

224

TMUs

48

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

Theoretical Performance

94.14 GPixel/s

Pixel Rate

9.888 GPixel/s

329.5 GTexel/s

Texture Rate

39.55 GTexel/s

21.09 TFLOPS

FP16 (half)

-

10.54 TFLOPS

FP32 (float)

949.2 GFLOPS

659.0 GFLOPS

FP64 (double)

39.55 GFLOPS

Graphics Processor

Vega 10

GPU Name

GK106

Vega 10 XL (215-0894216)

GPU Variant

GK106-200-A1

GCN 5.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

2.54 billion

495 mm²

Die Size

221 mm²

Board Design

210W

TDP

65W

550 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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