AMD Radeon RX Vega 64 vs AMD Radeon RX 6800 XT

VS

AMD Radeon RX Vega 64 AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 's Advantages

Lower TDP (295W vs 300W)

AMD Radeon RX 6800 XT 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 46% (2250MHz vs 1546MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 483.8GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX Vega 64

12.66 TFLOPS

Radeon RX 6800 XT +63%

20.74 TFLOPS

3DMark Time Spy

Radeon RX Vega 64

7520

Radeon RX 6800 XT +158%

19428

Blender

Radeon RX Vega 64

777

Radeon RX 6800 XT +240%

2647

Shadow of the Tomb Raider 2160p

Radeon RX Vega 64

31

Radeon RX 6800 XT +132%

72

Shadow of the Tomb Raider 1440p

Radeon RX Vega 64

62

Radeon RX 6800 XT +116%

134

Shadow of the Tomb Raider 1080p

Radeon RX Vega 64

92

Radeon RX 6800 XT +104%

188

Battlefield 5 2160p

Radeon RX Vega 64

57

Radeon RX 6800 XT +82%

104

Battlefield 5 1440p

Radeon RX Vega 64

95

Radeon RX 6800 XT +88%

179

Battlefield 5 1080p

Radeon RX Vega 64

129

Radeon RX 6800 XT +54%

199

GTA 5 2160p

Radeon RX Vega 64

56

Radeon RX 6800 XT +98%

111

GTA 5 1440p

Radeon RX Vega 64

107

Radeon RX 6800 XT +28%

138

Radeon RX Vega 64

VS

Radeon RX 6800 XT

Graphics Card

Aug 2017

Release Date

Oct 2020

Vega

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1247 MHz

Base Clock

1825 MHz

1546 MHz

Boost Clock

2250 MHz

945 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

16GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

256bit

483.8GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

64

Compute Units

72

4096

Shading Units

4608

256

TMUs

288

64

ROPs

128

-

Tensor Cores

-

RT Cores

72

16 KB (per CU)

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

Theoretical Performance

98.94 GPixel/s

Pixel Rate

288.0 GPixel/s

395.8 GTexel/s

Texture Rate

648.0 GTexel/s

25.33 TFLOPS

FP16 (half)

41.47 TFLOPS

12.66 TFLOPS

FP32 (float)

20.74 TFLOPS

791.6 GFLOPS

FP64 (double)

1296 GFLOPS

Graphics Processor

Vega 10

GPU Name

Navi 21

Vega 10 XT (215-0894200)

GPU Variant

Navi 21 XT (215-121000177)

GCN 5.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

12.5 billion

Transistors

26.8 billion

495 mm²

Die Size

520 mm²

Board Design

295W

TDP

300W

600 W

Suggested PSU

700 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

2x 8-pin

Power Connectors

2x 8-pin

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

-

CUDA

-

6.4

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon RX Vega 64 vs AMD Radeon RX 7600 XT

2

AMD Radeon RX Vega 64 vs AMD Radeon RX 6600

3

AMD Radeon RX Vega 64 vs AMD Radeon RX 5700 XT

4

AMD Radeon RX Vega 64 vs NVIDIA GeForce RTX 3060 Ti GA103

5

AMD Radeon RX Vega 64 vs NVIDIA GeForce RTX 4080

6

AMD Radeon RX Vega 64 vs AMD Radeon R9 390 X2

7

AMD Radeon RX Vega 64 vs AMD Radeon RX 590

8

AMD Radeon RX Vega 64 vs NVIDIA GeForce RTX 5060

9

AMD Radeon RX Vega 64 vs NVIDIA GeForce RTX 4070 SUPER

10

AMD Radeon RX Vega 64 vs AMD Radeon RX 550X 640SP

Related News

1

Apple's 2025 OS in Development: iOS 19 Codename 'Luck'

2

Apple's AI is Memory Hungry! The Entire iPhone 16 Lineup Comes with 8GB RAM

3

Noctua Announce NH-D15 G2 Air Cooler and NF-A14x25r G2 Fan

4

The P-Cores and E-Cores in Arrow Lake Will Be Interleaved, Reducing Core Communication Latency and Improving Heat Dissipation

5

Changes in Intel Arrow Lake P/E Core Layout: Two Major Benefits

6

Time to Step Up, AMD and Intel! Nvidia Faces Antitrust Lawsuits in France, US, and EU

7

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

8

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

9

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

10

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2