AMD Radeon RX Vega 56 vs AMD Radeon RX 6600 XT

VS

AMD Radeon RX Vega 56

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 56 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 56 's Advantages

Larger VRAM bandwidth (409.6GB/s vs 256.0GB/s)

1536 additional rendering cores

AMD Radeon RX 6600 XT 's Advantages

Released 3 years and 11 months late

Boost Clock has increased by 76% (2589MHz vs 1471MHz)

Lower TDP (160W vs 210W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56

10.54 TFLOPS

Radeon RX 6600 XT

10.6 TFLOPS

3DMark Time Spy

Radeon RX Vega 56

6878

Radeon RX 6600 XT +39%

9579

Shadow of the Tomb Raider 2160p

Radeon RX Vega 56

30

Radeon RX 6600 XT +26%

38

Shadow of the Tomb Raider 1440p

Radeon RX Vega 56

57

Radeon RX 6600 XT +26%

72

Shadow of the Tomb Raider 1080p

Radeon RX Vega 56

87

Radeon RX 6600 XT +36%

119

Battlefield 5 2160p

Radeon RX Vega 56

52

Radeon RX 6600 XT +11%

58

Battlefield 5 1440p

Radeon RX Vega 56

93

Radeon RX 6600 XT +19%

111

Battlefield 5 1080p

Radeon RX Vega 56

125

Radeon RX 6600 XT +15%

144

GTA 5 2160p

Radeon RX Vega 56

46

Radeon RX 6600 XT +32%

61

GTA 5 1440p

Radeon RX Vega 56 +10%

91

Radeon RX 6600 XT

82

GTA 5 1080p

Radeon RX Vega 56

110

Radeon RX 6600 XT +35%

149

Radeon RX Vega 56

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

1156 MHz

Base Clock

1968 MHz

1471 MHz

Boost Clock

2589 MHz

800 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

8GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

128bit

409.6GB/s

Bandwidth

256.0GB/s

Render Config

56

Compute Units

32

-

3584

Shading Units

2048

224

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

94.14 GPixel/s

Pixel Rate

165.7 GPixel/s

329.5 GTexel/s

Texture Rate

331.4 GTexel/s

21.09 TFLOPS

FP16 (half)

21.21 TFLOPS

10.54 TFLOPS

FP32 (float)

10.60 TFLOPS

659.0 GFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

210W

TDP

160W

550 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 XL (215-0894216)

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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