AMD Radeon RX 6800 vs AMD Radeon RX 7900 XT

VS

AMD Radeon RX 6800 AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 20GB VRAM Radeon RX 7900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Lower TDP (250W vs 300W)

AMD Radeon RX 7900 XT 's Advantages

Released 2 years and 1 months late

Boost Clock has increased by 14% (2394MHz vs 2105MHz)

More VRAM (20GB vs 16GB)

Larger VRAM bandwidth (800.0GB/s vs 512.0GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800

16.17 TFLOPS

Radeon RX 7900 XT +218%

51.48 TFLOPS

3DMark Time Spy

Radeon RX 6800

16261

Radeon RX 7900 XT +64%

26739

Shadow of the Tomb Raider 2160p

Radeon RX 6800

65

Radeon RX 7900 XT +56%

102

Shadow of the Tomb Raider 1440p

Radeon RX 6800

117

Radeon RX 7900 XT +75%

205

Shadow of the Tomb Raider 1080p

Radeon RX 6800

168

Radeon RX 7900 XT +77%

299

Cyberpunk 2077 2160p

Radeon RX 6800

51

Radeon RX 7900 XT +21%

62

Cyberpunk 2077 1440p

Radeon RX 6800

60

Radeon RX 7900 XT +51%

91

Cyberpunk 2077 1080p

Radeon RX 6800

87

Radeon RX 7900 XT +71%

149

GTA 5 2160p

Radeon RX 6800

98

Radeon RX 7900 XT +73%

170

GTA 5 1440p

Radeon RX 6800

126

Radeon RX 7900 XT +34%

170

GTA 5 1080p

Radeon RX 6800

170

Radeon RX 7900 XT +11%

190

Horizon Forbidden West 1080p

Radeon RX 6800

88

Radeon RX 7900 XT +48%

131

Horizon Forbidden West 1440p

Radeon RX 6800

71

Radeon RX 7900 XT +47%

105

Horizon Forbidden West 2160p

Radeon RX 6800

44

Radeon RX 7900 XT +54%

68

Radeon RX 6800

VS

Radeon RX 7900 XT

Graphics Card

Oct 2020

Release Date

Nov 2022

Navi II

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1700 MHz

Base Clock

1387 MHz

2105 MHz

Boost Clock

2394 MHz

2000 MHz

Memory Clock

2500 MHz

Memory

16GB

Memory Size

20GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

320bit

512.0GB/s

Bandwidth

800.0GB/s

Render Config

-

SM Count

-

60

Compute Units

84

3840

Shading Units

5376

240

TMUs

336

96

ROPs

192

-

Tensor Cores

-

60

RT Cores

84

128 KB per Array

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

Theoretical Performance

202.1 GPixel/s

Pixel Rate

459.6 GPixel/s

505.2 GTexel/s

Texture Rate

804.4 GTexel/s

32.33 TFLOPS

FP16 (half)

103.0 TFLOPS

16.17 TFLOPS

FP32 (float)

51.48 TFLOPS

1010 GFLOPS

FP64 (double)

1.609 TFLOPS

Graphics Processor

Navi 21

GPU Name

Navi 31

Navi 21 XL (215-121000187)

GPU Variant

Navi 31 XT (215-145000156)

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

26.8 billion

Transistors

57.7 billion

520 mm²

Die Size

529 mm²

Board Design

250W

TDP

300W

600 W

Suggested PSU

700 W

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

Outputs

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

2x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.7

Related GPU Comparisons

1

AMD Radeon RX 6800 vs NVIDIA GeForce RTX 4070

2

AMD Radeon RX 6800 vs NVIDIA GeForce RTX 4060 Ti 8 GB

3

AMD Radeon RX 6800 vs AMD Radeon RX 6700 XT

4

AMD Radeon RX 6800 vs AMD Radeon R7 250XE

5

AMD Radeon RX 6800 vs AMD Radeon R5 235X OEM

6

AMD Radeon RX 6800 vs AMD Radeon HD 7570 OEM

7

AMD Radeon RX 6800 vs NVIDIA GeForce RTX 3060 Ti

8

AMD Radeon RX 6800 vs ATI Radeon HD 4710

9

AMD Radeon RX 6800 vs AMD Radeon Pro WX 3100

10

AMD Radeon RX 6800 vs AMD Radeon RX 580 OEM

Related News

1

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

2

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

3

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

4

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

5

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

6

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

7

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

8

AMD's Latest Breakthrough Technology Could Change the Game in the Future

9

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

10

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion