AMD Radeon HD 7990 vs AMD Radeon Pro 5500 XT

VS

AMD Radeon HD 7990

AMD Radeon Pro 5500 XT

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 8GB VRAM Radeon Pro 5500 XT 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 224.0GB/s)

512 additional rendering cores

AMD Radeon Pro 5500 XT 's Advantages

Released 7 years and 4 months late

Boost Clock has increased by 76% (1757MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Lower TDP (125W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

Radeon Pro 5500 XT +31%

5.398 TFLOPS

Radeon HD 7990

VS

Radeon Pro 5500 XT

Graphics Card

Apr 2013

Release Date

Aug 2020

Southern Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

950 MHz

Base Clock

1187 MHz

1000 MHz

Boost Clock

1757 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

224.0GB/s

Render Config

32

Compute Units

24

-

2048

Shading Units

1536

128

TMUs

96

32

ROPs

32

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

2 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

56.22 GPixel/s

128.0 GTexel/s

Texture Rate

168.7 GTexel/s

-

FP16 (half)

10.80 TFLOPS

4.096 TFLOPS

FP32 (float)

5.398 TFLOPS

1024 GFLOPS

FP64 (double)

337.3 GFLOPS

Board Design

375W

TDP

125W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

Navi 14

Malta XT (215-0849026)

GPU Variant

Navi 14 PRO XL

GCN 1.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

6.4 billion

365 mm²

Die Size

158 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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