AMD Radeon RX 6750 GRE 12 GB vs AMD Radeon R9 390

VS

AMD Radeon RX 6750 GRE 12 GB

AMD Radeon R9 390

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 GRE 12 GB and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6750 GRE 12 GB 's Advantages

Released 8 years and 4 months late

Boost Clock2581MHz

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (432.0GB/s vs 384.0GB/s)

Lower TDP (250W vs 275W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 GRE 12 GB +158%

13.21 TFLOPS

Radeon R9 390

5.12 TFLOPS

3DMark Time Spy

Radeon RX 6750 GRE 12 GB +219%

12612

Radeon R9 390

3950

Radeon RX 6750 GRE 12 GB

VS

Radeon R9 390

Graphics Card

Oct 2023

Release Date

Jun 2015

Navi II

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2250 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

512bit

432.0GB/s

Bandwidth

384.0GB/s

Render Config

40

Compute Units

40

-

2560

Shading Units

2560

160

TMUs

160

64

ROPs

64

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

1024 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

64.00 GPixel/s

413.0 GTexel/s

Texture Rate

160.0 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

5.120 TFLOPS

825.9 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

250W

TDP

275W

600 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 22

GPU Name

Grenada

Navi 22 KXT (215-127000144)

GPU Variant

Grenada PRO (215-0880030)

RDNA 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

6.2 billion

335 mm²

Die Size

438 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

6.7

Shader Model

6.3

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