AMD Radeon RX 6750 GRE vs AMD Radeon HD 6870

VS

AMD Radeon RX 6750 GRE

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 GRE and 1024MB VRAM Radeon HD 6870 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 13 years late

Boost Clock2581MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432.0GB/s vs 134.4GB/s)

1440 additional rendering cores

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 GRE +555%

13.21 TFLOPS

Radeon HD 6870

2.016 TFLOPS

Radeon RX 6750 GRE

VS

Radeon HD 6870

Graphics Card

Oct 2023

Release Date

Oct 2010

Navi II

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2250 MHz

Memory Clock

1050 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

432.0GB/s

Bandwidth

134.4GB/s

Render Config

40

Compute Units

14

-

2560

Shading Units

1120

160

TMUs

56

64

ROPs

32

-

40

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

512 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

28.80 GPixel/s

413.0 GTexel/s

Texture Rate

50.40 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

2.016 TFLOPS

825.9 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

151W

600 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 22

GPU Name

Barts

Navi 22 KXT

GPU Variant

Barts XT (215-0798000)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

17.2 billion

Transistors

1.7 billion

335 mm²

Die Size

255 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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