AMD Radeon RX 7800 XT vs AMD Radeon RX 6800

VS

AMD Radeon RX 7800 XT AMD Radeon RX 6800

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 16GB VRAM Radeon RX 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Released 2 years and 10 months late

Boost Clock has increased by 15% (2430MHz vs 2105MHz)

Larger VRAM bandwidth (624.1GB/s vs 512.0GB/s)

AMD Radeon RX 6800 's Advantages

Lower TDP (250W vs 263W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 XT +130%

37.32 TFLOPS

Radeon RX 6800

16.17 TFLOPS

3DMark Time Spy

Radeon RX 7800 XT +22%

20026

Radeon RX 6800

16287

Shadow of the Tomb Raider 2160p

Radeon RX 7800 XT +29%

84

Radeon RX 6800

65

Shadow of the Tomb Raider 1440p

Radeon RX 7800 XT +36%

160

Radeon RX 6800

117

Shadow of the Tomb Raider 1080p

Radeon RX 7800 XT +47%

248

Radeon RX 6800

168

Cyberpunk 2077 2160p

Radeon RX 7800 XT

43

Radeon RX 6800 +18%

51

Cyberpunk 2077 1440p

Radeon RX 7800 XT +88%

113

Radeon RX 6800

60

Cyberpunk 2077 1080p

Radeon RX 7800 XT +91%

167

Radeon RX 6800

87

GTA 5 2160p

Radeon RX 7800 XT +42%

140

Radeon RX 6800

98

GTA 5 1440p

Radeon RX 7800 XT +11%

140

Radeon RX 6800

126

GTA 5 1080p

Radeon RX 7800 XT +11%

190

Radeon RX 6800

170

Horizon Forbidden West 1080p

Radeon RX 7800 XT +11%

98

Radeon RX 6800

88

Horizon Forbidden West 1440p

Radeon RX 7800 XT +14%

81

Radeon RX 6800

71

Horizon Forbidden West 2160p

Radeon RX 7800 XT +18%

52

Radeon RX 6800

44

Radeon RX 7800 XT

VS

Radeon RX 6800

Graphics Card

Aug 2023

Release Date

Oct 2020

Navi III

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1295 MHz

Base Clock

1700 MHz

2430 MHz

Boost Clock

2105 MHz

2438 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

624.1GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

60

Compute Units

60

3840

Shading Units

3840

240

TMUs

240

96

ROPs

96

-

Tensor Cores

-

60

RT Cores

60

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

Theoretical Performance

233.3 GPixel/s

Pixel Rate

202.1 GPixel/s

583.2 GTexel/s

Texture Rate

505.2 GTexel/s

74.65 TFLOPS

FP16 (half)

32.33 TFLOPS

37.32 TFLOPS

FP32 (float)

16.17 TFLOPS

1166 GFLOPS

FP64 (double)

1010 GFLOPS

Graphics Processor

Navi 32

GPU Name

Navi 21

Navi 32 XT (215-180000006)

GPU Variant

Navi 21 XL (215-121000187)

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

28.1 billion

Transistors

26.8 billion

346 mm²

Die Size

520 mm²

Board Design

263W

TDP

250W

600 W

Suggested PSU

600 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 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

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.7

Shader Model

6.5

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