AMD Radeon RX 6750 GRE 12 GB vs AMD Radeon HD 8990 OEM

VS

AMD Radeon RX 6750 GRE 12 GB

AMD Radeon HD 8990 OEM

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 GRE 12 GB and 3GB VRAM Radeon HD 8990 OEM 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 10 years and 6 months late

Boost Clock has increased by 158% (2581MHz vs 1000MHz)

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (432.0GB/s vs 288.0GB/s)

512 additional rendering cores

Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 GRE 12 GB +222%

13.21 TFLOPS

Radeon HD 8990 OEM

4.096 TFLOPS

Radeon RX 6750 GRE 12 GB

VS

Radeon HD 8990 OEM

Graphics Card

Oct 2023

Release Date

Apr 2013

Navi II

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2321 MHz

Base Clock

950 MHz

2581 MHz

Boost Clock

1000 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

384bit

432.0GB/s

Bandwidth

288.0GB/s

Render Config

40

Compute Units

32

-

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

768 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

32.00 GPixel/s

413.0 GTexel/s

Texture Rate

128.0 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

4.096 TFLOPS

825.9 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

250W

TDP

375W

600 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 22

GPU Name

Malta

Navi 22 KXT (215-127000144)

GPU Variant

Malta XT (215-0849026)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

4.313 billion

335 mm²

Die Size

365 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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