AMD Radeon RX 7990 XTX vs AMD Radeon RX 6750 XT

VS

AMD Radeon RX 7990 XTX

AMD Radeon RX 6750 XT

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 12GB VRAM Radeon RX 6750 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 38% (3599MHz vs 2600MHz)

More VRAM (24GB vs 12GB)

Larger VRAM bandwidth (1152GB/s vs 432.0GB/s)

3584 additional rendering cores

AMD Radeon RX 6750 XT 's Advantages

Lower TDP (250W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +564%

88.45 TFLOPS

Radeon RX 6750 XT

13.31 TFLOPS

Radeon RX 7990 XTX

VS

Radeon RX 6750 XT

Graphics Card

Unknown

Release Date

Mar 2022

Navi III

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2500 MHz

Base Clock

2150 MHz

3599 MHz

Boost Clock

2600 MHz

3000 MHz

Memory Clock

2250 MHz

Memory

24GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

192bit

1152GB/s

Bandwidth

432.0GB/s

Render Config

96

Compute Units

40

-

6144

Shading Units

2560

384

TMUs

160

192

ROPs

64

-

96

RT Cores

40

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

3 MB

192 MB

L3 Cache

96 MB

Theoretical Performance

691.0 GPixel/s

Pixel Rate

166.4 GPixel/s

1382 GTexel/s

Texture Rate

416.0 GTexel/s

176.9 TFLOPS

FP16 (half)

26.62 TFLOPS

88.45 TFLOPS

FP32 (float)

13.31 TFLOPS

2.764 TFLOPS

FP64 (double)

832.0 GFLOPS

Board Design

405W

TDP

250W

800 W

Suggested PSU

600 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

3x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 31

GPU Name

Navi 22

Navi 31 XTX+

GPU Variant

Navi 22 KXT (215-127000144)

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

57.7 billion

Transistors

17.2 billion

529 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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