AMD Radeon HD 6870 1600SP Edition vs AMD Radeon RX 6750 GRE

VS

AMD Radeon HD 6870 1600SP Edition

AMD Radeon RX 6750 GRE

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 12GB VRAM Radeon RX 6750 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 250W)

AMD Radeon RX 6750 GRE 's Advantages

Released 10 years and 9 months late

Boost Clock2581MHz

More VRAM (12GB vs 1024GB)

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

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

Radeon RX 6750 GRE +385%

13.21 TFLOPS

Radeon HD 6870 1600SP Edition

VS

Radeon RX 6750 GRE

Graphics Card

Jan 2013

Release Date

Oct 2023

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2321 MHz

-

Boost Clock

2581 MHz

1050 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

134.4GB/s

Bandwidth

432.0GB/s

Render Config

20

Compute Units

40

-

1600

Shading Units

2560

80

TMUs

160

32

ROPs

64

-

RT Cores

40

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

165.2 GPixel/s

68.00 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

2.720 TFLOPS

FP32 (float)

13.21 TFLOPS

544.0 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

175W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cypress

GPU Name

Navi 22

Cypress XT (215-0735033)

GPU Variant

Navi 22 KXT

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.154 billion

Transistors

17.2 billion

334 mm²

Die Size

335 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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