AMD Radeon RX 7700 XT vs AMD Radeon HD 8670 OEM

VS

AMD Radeon RX 7700 XT

AMD Radeon HD 8670 OEM

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 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 7700 XT 's Advantages

Released 10 years and 7 months late

Boost Clock has increased by 142% (2544MHz vs 1050MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 73.60GB/s)

3072 additional rendering cores

AMD Radeon HD 8670 OEM 's Advantages

Lower TDP (75W vs 245W)

Score

Benchmark

FP32 (float)

Radeon RX 7700 XT +4263%

35.17 TFLOPS

Radeon HD 8670 OEM

0.806 TFLOPS

Radeon RX 7700 XT

VS

Radeon HD 8670 OEM

Graphics Card

Aug 2023

Release Date

Jan 2013

Navi III

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1435 MHz

Base Clock

1000 MHz

2544 MHz

Boost Clock

1050 MHz

2250 MHz

Memory Clock

1150 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

128bit

432.0GB/s

Bandwidth

73.60GB/s

Render Config

54

Compute Units

6

-

3456

Shading Units

384

216

TMUs

24

96

ROPs

8

-

54

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

48 MB

L3 Cache

-

Theoretical Performance

244.2 GPixel/s

Pixel Rate

8.400 GPixel/s

549.5 GTexel/s

Texture Rate

25.20 GTexel/s

70.34 TFLOPS

FP16 (half)

-

35.17 TFLOPS

FP32 (float)

806.4 GFLOPS

1099 GFLOPS

FP64 (double)

50.40 GFLOPS

Board Design

245W

TDP

75W

550 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

Oland

Navi 32 XL (215-180000076)

GPU Variant

Oland XT (215-0837000)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

28.1 billion

Transistors

0.95 billion

346 mm²

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

-

6.7

Shader Model

5.1

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