AMD Radeon RX 7800 vs AMD Radeon RX 6700 XT

VS

AMD Radeon RX 7800

AMD Radeon RX 6700 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 12GB VRAM Radeon RX 6700 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 's Advantages

Released 1 years and 10 months late

Boost Clock has increased by 8% (2800MHz vs 2581MHz)

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (576.0GB/s vs 384.0GB/s)

1280 additional rendering cores

AMD Radeon RX 6700 XT 's Advantages

Lower TDP (230W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +182%

37.32 TFLOPS

Radeon RX 6700 XT

13.21 TFLOPS

Radeon RX 7800

VS

Radeon RX 6700 XT

Graphics Card

Jan 2023

Release Date

Mar 2021

Navi III

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1800 MHz

Base Clock

2321 MHz

2800 MHz

Boost Clock

2581 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

192bit

576.0GB/s

Bandwidth

384.0GB/s

Render Config

60

Compute Units

40

-

3840

Shading Units

2560

240

TMUs

160

128

ROPs

64

-

60

RT Cores

40

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

3 MB

64 MB

L3 Cache

96 MB

Theoretical Performance

358.4 GPixel/s

Pixel Rate

165.2 GPixel/s

672.0 GTexel/s

Texture Rate

413.0 GTexel/s

86.02 TFLOPS

FP16 (half)

26.43 TFLOPS

43.01 TFLOPS

FP32 (float)

13.21 TFLOPS

1344 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

300W

TDP

230W

700 W

Suggested PSU

550 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 32

GPU Name

Navi 22

Navi 32 XT

GPU Variant

Navi 22 XT (215-127000006)

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

Unknown

Transistors

17.2 billion

346 mm²

Die Size

335 mm²

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

-

6.7

Shader Model

6.5

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