AMD Radeon RX Vega 64 Liquid Cooling vs AMD Radeon RX 6600 XT

VS

AMD Radeon RX Vega 64 Liquid Cooling

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 Liquid Cooling and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 Liquid Cooling 's Advantages

Larger VRAM bandwidth (483.8GB/s vs 256.0GB/s)

2048 additional rendering cores

AMD Radeon RX 6600 XT 's Advantages

Released 3 years and 11 months late

Boost Clock has increased by 54% (2589MHz vs 1677MHz)

Lower TDP (160W vs 345W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 Liquid Cooling +29%

13.74 TFLOPS

Radeon RX 6600 XT

10.6 TFLOPS

Radeon RX Vega 64 Liquid Cooling

VS

Radeon RX 6600 XT

Graphics Card

Aug 2017

Release Date

Jul 2021

Vega

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1406 MHz

Base Clock

1968 MHz

1677 MHz

Boost Clock

2589 MHz

945 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

8GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

128bit

483.8GB/s

Bandwidth

256.0GB/s

Render Config

64

Compute Units

32

-

4096

Shading Units

2048

256

TMUs

128

64

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

107.3 GPixel/s

Pixel Rate

165.7 GPixel/s

429.3 GTexel/s

Texture Rate

331.4 GTexel/s

27.48 TFLOPS

FP16 (half)

21.21 TFLOPS

13.74 TFLOPS

FP32 (float)

10.60 TFLOPS

858.6 GFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

345W

TDP

160W

700 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Vega 10

GPU Name

Navi 23

Vega 10 XTX

GPU Variant

Navi 23 XT (215-130000006)

GCN 5.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

12.5 billion

Transistors

11.06 billion

495 mm²

Die Size

237 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.7

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