AMD Radeon RX 6700 vs AMD Radeon RX 7990 XTX

VS

AMD Radeon RX 6700

AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 10GB VRAM Radeon RX 6700 and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700 's Advantages

Lower TDP (175W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 47% (3599MHz vs 2450MHz)

More VRAM (24GB vs 10GB)

Larger VRAM bandwidth (1152GB/s vs 320.0GB/s)

3840 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6700

11.29 TFLOPS

Radeon RX 7990 XTX +683%

88.45 TFLOPS

Radeon RX 6700

VS

Radeon RX 7990 XTX

Graphics Card

Jun 2021

Release Date

Unknown

Navi II

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1941 MHz

Base Clock

2500 MHz

2450 MHz

Boost Clock

3599 MHz

2000 MHz

Memory Clock

3000 MHz

Memory

10GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6

160bit

Memory Bus

384bit

320.0GB/s

Bandwidth

1152GB/s

Render Config

36

Compute Units

96

-

2304

Shading Units

6144

144

TMUs

384

64

ROPs

192

-

36

RT Cores

96

128 KB per Array

L1 Cache

256 KB per Array

3 MB

L2 Cache

6 MB

80 MB

L3 Cache

192 MB

Theoretical Performance

156.8 GPixel/s

Pixel Rate

691.0 GPixel/s

352.8 GTexel/s

Texture Rate

1382 GTexel/s

22.58 TFLOPS

FP16 (half)

176.9 TFLOPS

11.29 TFLOPS

FP32 (float)

88.45 TFLOPS

705.6 GFLOPS

FP64 (double)

2.764 TFLOPS

Board Design

175W

TDP

405W

450 W

Suggested PSU

800 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

1x 8-pin

Power Connectors

3x 8-pin

Graphics Processor

Navi 22

GPU Name

Navi 31

Navi 22 XTL

GPU Variant

Navi 31 XTX+

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

17.2 billion

Transistors

57.7 billion

335 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

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