ATI Radeon HD 3870 Mac Edition vs AMD Radeon RX 6750 GRE

VS

ATI Radeon HD 3870 Mac Edition

AMD Radeon RX 6750 GRE

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac 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

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 250W)

AMD Radeon RX 6750 GRE 's Advantages

Released 15 years and 4 months late

Boost Clock2581MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 72.06GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon RX 6750 GRE +2557%

13.21 TFLOPS

Radeon HD 3870 Mac Edition

VS

Radeon RX 6750 GRE

Graphics Card

Jun 2008

Release Date

Oct 2023

Radeon R600

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

1126 MHz

Memory Clock

2250 MHz

Memory

512MB

Memory Size

12GB

GDDR4

Memory Type

GDDR6

256bit

Memory Bus

192bit

72.06GB/s

Bandwidth

432.0GB/s

Render Config

4

Compute Units

40

-

320

Shading Units

2560

16

TMUs

160

16

ROPs

64

-

RT Cores

40

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

12.43 GPixel/s

Pixel Rate

165.2 GPixel/s

12.43 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

497.3 GFLOPS

FP32 (float)

13.21 TFLOPS

99.46 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

106W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV670

GPU Name

Navi 22

RV670 XT (215-0708005)

GPU Variant

Navi 22 KXT

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.666 billion

Transistors

17.2 billion

192 mm²

Die Size

335 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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