AMD Radeon RX 7950 XT vs AMD Radeon HD 8670 OEM

VS

AMD Radeon RX 7950 XT AMD Radeon HD 8670 OEM

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7950 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 7950 XT 's Advantages

Boost Clock has increased by 186% (3000MHz vs 1050MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (800.0GB/s vs 73.60GB/s)

4992 additional rendering cores

AMD Radeon HD 8670 OEM 's Advantages

Lower TDP (75W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XT +7903%

64.51 TFLOPS

Radeon HD 8670 OEM

0.806 TFLOPS

Radeon RX 7950 XT

VS

Radeon HD 8670 OEM

Graphics Card

Unknown

Release Date

Jan 2013

Navi III

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2000 MHz

Base Clock

1000 MHz

3000 MHz

Boost Clock

1050 MHz

2500 MHz

Memory Clock

1150 MHz

Memory

20GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

84

Compute Units

6

5376

Shading Units

384

336

TMUs

24

192

ROPs

8

-

Tensor Cores

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

Theoretical Performance

576.0 GPixel/s

Pixel Rate

8.400 GPixel/s

1008 GTexel/s

Texture Rate

25.20 GTexel/s

129.0 TFLOPS

FP16 (half)

-

64.51 TFLOPS

FP32 (float)

806.4 GFLOPS

2.016 TFLOPS

FP64 (double)

50.40 GFLOPS

Graphics Processor

Navi 31

GPU Name

Oland

Navi 31 XT+

GPU Variant

Oland XT (215-0837000)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

0.95 billion

529 mm²

Die Size

77 mm²

Board Design

300W

TDP

75W

700 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 Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

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