AMD Radeon RX 7900 XT vs AMD Radeon RX 6750 GRE 12 GB

VS

AMD Radeon RX 7900 XT

AMD Radeon RX 6750 GRE 12 GB

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 12GB VRAM Radeon RX 6750 GRE 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

More VRAM (20GB vs 12GB)

Larger VRAM bandwidth (800.0GB/s vs 432.0GB/s)

2816 additional rendering cores

AMD Radeon RX 6750 GRE 12 GB 's Advantages

Released 11 months late

Boost Clock has increased by 8% (2581MHz vs 2394MHz)

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +289%

51.48 TFLOPS

Radeon RX 6750 GRE 12 GB

13.21 TFLOPS

3DMark Time Spy

Radeon RX 7900 XT +113%

26911

Radeon RX 6750 GRE 12 GB

12612

Blender

Radeon RX 7900 XT +150%

3905

Radeon RX 6750 GRE 12 GB

1561

Radeon RX 7900 XT

VS

Radeon RX 6750 GRE 12 GB

Graphics Card

Nov 2022

Release Date

Oct 2023

Navi III

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1387 MHz

Base Clock

2321 MHz

2394 MHz

Boost Clock

2581 MHz

2500 MHz

Memory Clock

2250 MHz

Memory

20GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

320bit

Memory Bus

192bit

800.0GB/s

Bandwidth

432.0GB/s

Render Config

84

Compute Units

40

-

5376

Shading Units

2560

336

TMUs

160

192

ROPs

64

-

84

RT Cores

40

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

3 MB

80 MB

L3 Cache

96 MB

Theoretical Performance

459.6 GPixel/s

Pixel Rate

165.2 GPixel/s

804.4 GTexel/s

Texture Rate

413.0 GTexel/s

103.0 TFLOPS

FP16 (half)

26.43 TFLOPS

51.48 TFLOPS

FP32 (float)

13.21 TFLOPS

1.609 TFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

300W

TDP

250W

700 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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 31

GPU Name

Navi 22

Navi 31 XT (215-145000156)

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

6.7

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