AMD Radeon RX 7600 XT vs AMD Radeon HD 7990

VS

AMD Radeon RX 7600 XT

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7600 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 7600 XT 's Advantages

Released 10 years and 9 months late

Boost Clock has increased by 176% (2755MHz vs 1000MHz)

More VRAM (16GB vs 3GB)

Lower TDP (190W vs 375W)

Score

Benchmark

FP32 (float)

Radeon RX 7600 XT +451%

22.57 TFLOPS

Radeon HD 7990

4.096 TFLOPS

Radeon RX 7600 XT

VS

Radeon HD 7990

Graphics Card

Jan 2024

Release Date

Apr 2013

Navi III

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1980 MHz

Base Clock

950 MHz

2755 MHz

Boost Clock

1000 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

384bit

288.0GB/s

Bandwidth

288.0GB/s

Render Config

32

Compute Units

32

-

2048

Shading Units

2048

128

TMUs

128

64

ROPs

32

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

32 MB

L3 Cache

-

Theoretical Performance

176.3 GPixel/s

Pixel Rate

32.00 GPixel/s

352.6 GTexel/s

Texture Rate

128.0 GTexel/s

45.14 TFLOPS

FP16 (half)

-

22.57 TFLOPS

FP32 (float)

4.096 TFLOPS

705.3 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

190W

TDP

375W

450 W

Suggested PSU

750 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 33

GPU Name

Malta

Navi 33 XT (215-163000047)

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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