AMD Radeon RX 6750 GRE vs AMD Radeon HD 8870 OEM

VS

AMD Radeon RX 6750 GRE

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 GRE and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6750 GRE 's Advantages

Released 10 years and 9 months late

Boost Clock2581MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 153.6GB/s)

1280 additional rendering cores

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 GRE +416%

13.21 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon RX 6750 GRE

VS

Radeon HD 8870 OEM

Graphics Card

Oct 2023

Release Date

Jan 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

-

2581 MHz

Boost Clock

-

2250 MHz

Memory Clock

1200 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

432.0GB/s

Bandwidth

153.6GB/s

Render Config

40

Compute Units

20

-

2560

Shading Units

1280

160

TMUs

80

64

ROPs

32

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

512 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

32.00 GPixel/s

413.0 GTexel/s

Texture Rate

80.00 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

2.560 TFLOPS

825.9 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

250W

TDP

175W

600 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 22

GPU Name

Pitcairn

Navi 22 KXT

GPU Variant

Pitcairn XT (215-0828047)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

2.8 billion

335 mm²

Die Size

212 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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