AMD Radeon RX 8800 XT vs AMD Radeon HD 8670 OEM

VS

AMD Radeon RX 8800 XT

AMD Radeon HD 8670 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 8800 XT and 2GB VRAM Radeon HD 8670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 8800 XT 's Advantages

Boost Clock has increased by 131% (2430MHz vs 1050MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (624.1GB/s vs 73.60GB/s)

3712 additional rendering cores

AMD Radeon HD 8670 OEM 's Advantages

Lower TDP (75W vs 220W)

Score

Benchmark

FP32 (float)

Radeon RX 8800 XT +2370%

19.91 TFLOPS

Radeon HD 8670 OEM

0.806 TFLOPS

Radeon RX 8800 XT

VS

Radeon HD 8670 OEM

Graphics Card

Unknown

Release Date

Jan 2013

Navi IV(RX 8000)

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1295 MHz

Base Clock

1000 MHz

2430 MHz

Boost Clock

1050 MHz

2438 MHz

Memory Clock

1150 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

624.1GB/s

Bandwidth

73.60GB/s

Render Config

64

Compute Units

6

-

4096

Shading Units

384

256

TMUs

24

96

ROPs

8

-

64

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

8.400 GPixel/s

622.1 GTexel/s

Texture Rate

25.20 GTexel/s

39.81 TFLOPS

FP16 (half)

-

19.91 TFLOPS

FP32 (float)

806.4 GFLOPS

622.1 GFLOPS

FP64 (double)

50.40 GFLOPS

Board Design

220W

TDP

75W

550 W

Suggested PSU

250 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 48

GPU Name

Oland

Navi 48 XT

GPU Variant

Oland XT (215-0837000)

RDNA 4.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

0.95 billion

Unknown

Die Size

77 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.8

Shader Model

5.1

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