AMD Ryzen Z1 Extreme GPU vs AMD Radeon HD 6990

VS

AMD Ryzen Z1 Extreme GPU

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 16GB VRAM Ryzen Z1 Extreme GPU and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Ryzen Z1 Extreme GPU 's Advantages

Released 12 years and 3 months late

Boost Clock2700MHz

More VRAM (16GB vs 2GB)

Lower TDP (30W vs 375W)

AMD Radeon HD 6990 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Ryzen Z1 Extreme GPU +225%

8.294 TFLOPS

Radeon HD 6990

2.55 TFLOPS

Ryzen Z1 Extreme GPU

VS

Radeon HD 6990

Graphics Card

Jun 2023

Release Date

Mar 2011

Console GPU(ASUS)

Generation

Northern Islands

Desktop

Type

Desktop

-

Bus Interface

PCIe 2.0 x16

Clock Speeds

800 MHz

Base Clock

-

2700 MHz

Boost Clock

-

800 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

2GB

LPDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

160.0GB/s

Render Config

12

Compute Units

24

-

768

Shading Units

1536

48

TMUs

96

32

ROPs

32

-

12

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

8 MB

L2 Cache

512 KB

16 MB

L3 Cache

-

Theoretical Performance

86.40 GPixel/s

Pixel Rate

26.56 GPixel/s

129.6 GTexel/s

Texture Rate

79.68 GTexel/s

16.59 TFLOPS

FP16 (half)

-

8.294 TFLOPS

FP32 (float)

2.550 TFLOPS

518.4 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

30W

TDP

375W

-

Suggested PSU

750 W

1x USB Type-C

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

Phoenix

GPU Name

Antilles

-

GPU Variant

Antilles XT (215-0807027)

RDNA 3.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

25.39 billion

Transistors

2.64 billion

178 mm²

Die Size

389 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.8

Shader Model

5.0

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