AMD Radeon RX 6600 XT vs NVIDIA GeForce RTX 5070

VS

AMD Radeon RX 6600 XT

NVIDIA GeForce RTX 5070

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 12GB VRAM GeForce RTX 5070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Boost Clock has increased by 3% (2589MHz vs 2520MHz)

Lower TDP (160W vs 220W)

NVIDIA GeForce RTX 5070 's Advantages

Released 3 years and 6 months late

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (532.6GB/s vs 256.0GB/s)

4352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT

10.6 TFLOPS

GeForce RTX 5070 +204%

32.26 TFLOPS

Radeon RX 6600 XT

VS

GeForce RTX 5070

Graphics Card

Jul 2021

Release Date

Jan 2025

Navi II

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 5.0 x16

Clock Speeds

1968 MHz

Base Clock

2235 MHz

2589 MHz

Boost Clock

2520 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

12GB

GDDR6

Memory Type

GDDR7

128bit

Memory Bus

192bit

256.0GB/s

Bandwidth

532.6GB/s

Render Config

32

Compute Units

-

SM Count

50

2048

Shading Units

6400

128

TMUs

200

64

ROPs

64

-

Tensor Cores

200

32

RT Cores

50

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

40 MB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

161.3 GPixel/s

331.4 GTexel/s

Texture Rate

504.0 GTexel/s

21.21 TFLOPS

FP16 (half)

32.26 TFLOPS

10.60 TFLOPS

FP32 (float)

32.26 TFLOPS

662.8 GFLOPS

FP64 (double)

504.0 GFLOPS

Board Design

160W

TDP

220W

450 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

1x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Navi 23

GPU Name

GB205

Navi 23 XT (215-130000006)

GPU Variant

GB205

RDNA 2.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

4 nm

11.06 billion

Transistors

Unknown

237 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

10.1

6.7

Shader Model

6.8

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