AMD Radeon HD 7990 vs AMD Radeon RX 7500 XT

VS

AMD Radeon HD 7990

AMD Radeon RX 7500 XT

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 6GB VRAM Radeon RX 7500 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 216.0GB/s)

1024 additional rendering cores

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)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

Radeon RX 7500 XT +130%

9.421 TFLOPS

Radeon HD 7990

VS

Radeon RX 7500 XT

Graphics Card

Apr 2013

Release Date

Unknown

Southern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

950 MHz

Base Clock

1452 MHz

1000 MHz

Boost Clock

2300 MHz

1500 MHz

Memory Clock

2250 MHz

Memory

3GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

96bit

288.0GB/s

Bandwidth

216.0GB/s

Render Config

32

Compute Units

16

-

2048

Shading Units

1024

128

TMUs

64

32

ROPs

32

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

2 MB

-

L3 Cache

64 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

73.60 GPixel/s

128.0 GTexel/s

Texture Rate

147.2 GTexel/s

-

FP16 (half)

18.84 TFLOPS

4.096 TFLOPS

FP32 (float)

9.421 TFLOPS

1024 GFLOPS

FP64 (double)

294.4 GFLOPS

Board Design

375W

TDP

100W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Malta

GPU Name

Navi 33

Malta XT (215-0849026)

GPU Variant

Navi 33

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

4.313 billion

Transistors

13.3 billion

365 mm²

Die Size

204 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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