AMD Radeon RX 7900 XT vs AMD Radeon HD 7670 OEM

VS

AMD Radeon RX 7900 XT

AMD Radeon HD 7670 OEM

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 512MB VRAM Radeon HD 7670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Released 10 years and 10 months late

Boost Clock2394MHz

More VRAM (20GB vs 512GB)

Larger VRAM bandwidth (800.0GB/s vs 64.00GB/s)

4896 additional rendering cores

AMD Radeon HD 7670 OEM 's Advantages

Lower TDP (66W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +6603%

51.48 TFLOPS

Radeon HD 7670 OEM

0.768 TFLOPS

Radeon RX 7900 XT

VS

Radeon HD 7670 OEM

Graphics Card

Nov 2022

Release Date

Jan 2012

Navi III

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1387 MHz

Base Clock

-

2394 MHz

Boost Clock

-

2500 MHz

Memory Clock

1000 MHz

Memory

20GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

64.00GB/s

Render Config

84

Compute Units

6

-

5376

Shading Units

480

336

TMUs

24

192

ROPs

8

-

84

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

6.400 GPixel/s

804.4 GTexel/s

Texture Rate

19.20 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

768.0 GFLOPS

1.609 TFLOPS

FP64 (double)

-

Board Design

300W

TDP

66W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.1 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Turks

Navi 31 XT (215-145000156)

GPU Variant

Turks XT (215-0803000)

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.716 billion

529 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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