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

16233

Radeon RX 7900 XT +65%

26911

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 +2%

51

Radeon RX 7900 XT

50

Cyberpunk 2077 1440p

Radeon RX 6800

60

Radeon RX 7900 XT +56%

94

Cyberpunk 2077 1080p

Radeon RX 6800

87

Radeon RX 7900 XT +81%

158

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

60

Compute Units

84

-

3840

Shading Units

5376

240

TMUs

336

96

ROPs

192

-

60

RT Cores

84

128 KB per Array

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

128 MB

L3 Cache

80 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

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 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

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

-

6.5

Shader Model

6.7

Related GPU Comparisons

1

AMD Radeon RX 6800 vs Intel Arc A780

2

AMD Radeon RX 6800 vs ATI Radeon HD 3450 AGP

3

AMD Radeon RX 6800 vs NVIDIA GeForce GTX 460 v2

4

AMD Radeon RX 6800 vs AMD Radeon R5 230 OEM

5

AMD Radeon RX 6800 vs AMD Radeon RX 590 GME

6

AMD Radeon RX 6800 vs ATI Radeon X1700 SE

7

AMD Radeon RX 6800 vs AMD Radeon RX 8800 XT

8

AMD Radeon RX 6800 vs ATI Radeon HD 3870

9

AMD Radeon RX 6800 vs NVIDIA GeForce GT 220 OEM

10

AMD Radeon RX 6800 vs AMD Radeon R7 250

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

5

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

6

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption