AMD Radeon HD 8860 OEM vs AMD Radeon RX 6900 XTX

VS

AMD Radeon HD 8860 OEM

AMD Radeon RX 6900 XTX

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8860 OEM and 16GB VRAM Radeon RX 6900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8860 OEM 's Advantages

Lower TDP (175W vs 330W)

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 179.2GB/s)

3840 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8860 OEM

2.368 TFLOPS

Radeon RX 6900 XTX +952%

24.93 TFLOPS

Radeon HD 8860 OEM

VS

Radeon RX 6900 XTX

Graphics Card

Jan 2013

Release Date

Unknown

Sea Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2075 MHz

-

Boost Clock

2435 MHz

1400 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

576.0GB/s

Render Config

20

Compute Units

80

-

1280

Shading Units

5120

80

TMUs

320

32

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

311.7 GPixel/s

74.00 GTexel/s

Texture Rate

779.2 GTexel/s

-

FP16 (half)

49.87 TFLOPS

2.368 TFLOPS

FP32 (float)

24.93 TFLOPS

148.0 GFLOPS

FP64 (double)

1.558 TFLOPS

Board Design

175W

TDP

330W

450 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Curacao

GPU Name

Navi 21

Curacao PRO (215-0848000)

GPU Variant

Navi 21 XTXH (215-121000247)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

26.8 billion

212 mm²

Die Size

520 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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