AMD Radeon HD 7990 vs AMD Ryzen Z1 Extreme GPU

VS

AMD Radeon HD 7990

AMD Ryzen Z1 Extreme GPU

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 16GB VRAM Ryzen Z1 Extreme GPU to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 25.60GB/s)

1280 additional rendering cores

AMD Ryzen Z1 Extreme GPU 's Advantages

Released 10 years and 2 months late

Boost Clock has increased by 170% (2700MHz vs 1000MHz)

More VRAM (16GB vs 3GB)

Lower TDP (30W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

Ryzen Z1 Extreme GPU +102%

8.294 TFLOPS

Radeon HD 7990

VS

Ryzen Z1 Extreme GPU

Graphics Card

Apr 2013

Release Date

Jun 2023

Southern Islands

Generation

Console GPU(ASUS)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

-

Clock Speeds

950 MHz

Base Clock

800 MHz

1000 MHz

Boost Clock

2700 MHz

1500 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

LPDDR5

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

25.60GB/s

Render Config

32

Compute Units

12

-

2048

Shading Units

768

128

TMUs

48

32

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

8 MB

-

L3 Cache

16 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

86.40 GPixel/s

128.0 GTexel/s

Texture Rate

129.6 GTexel/s

-

FP16 (half)

16.59 TFLOPS

4.096 TFLOPS

FP32 (float)

8.294 TFLOPS

1024 GFLOPS

FP64 (double)

518.4 GFLOPS

Board Design

375W

TDP

30W

750 W

Suggested PSU

-

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x USB Type-C

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

Phoenix

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

4.313 billion

Transistors

25.39 billion

365 mm²

Die Size

178 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.8

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