AMD Radeon RX 7500 XT vs AMD Radeon HD 7990

VS

AMD Radeon RX 7500 XT

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 6GB VRAM Radeon RX 7500 XT and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7500 XT 's Advantages

Boost Clock has increased by 130% (2300MHz vs 1000MHz)

More VRAM (6GB vs 3GB)

Lower TDP (100W vs 375W)

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 216.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7500 XT +130%

9.421 TFLOPS

Radeon HD 7990

4.096 TFLOPS

Radeon RX 7500 XT

VS

Radeon HD 7990

Graphics Card

Unknown

Release Date

Apr 2013

Navi III

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1452 MHz

Base Clock

950 MHz

2300 MHz

Boost Clock

1000 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

6GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

96bit

Memory Bus

384bit

216.0GB/s

Bandwidth

288.0GB/s

Render Config

16

Compute Units

32

-

1024

Shading Units

2048

64

TMUs

128

32

ROPs

32

-

16

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

64 MB

L3 Cache

-

Theoretical Performance

73.60 GPixel/s

Pixel Rate

32.00 GPixel/s

147.2 GTexel/s

Texture Rate

128.0 GTexel/s

18.84 TFLOPS

FP16 (half)

-

9.421 TFLOPS

FP32 (float)

4.096 TFLOPS

294.4 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

100W

TDP

375W

300 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 33

GPU Name

Malta

Navi 33

GPU Variant

Malta XT (215-0849026)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

13.3 billion

Transistors

4.313 billion

204 mm²

Die Size

365 mm²

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

-

6.7

Shader Model

5.1

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