AMD Radeon HD 7990 vs AMD Radeon RX 5600 XT

VS

AMD Radeon HD 7990

AMD Radeon RX 5600 XT

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 6GB VRAM Radeon RX 5600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5600 XT 's Advantages

Released 6 years and 9 months late

Boost Clock has increased by 56% (1560MHz vs 1000MHz)

More VRAM (6GB vs 3GB)

256 additional rendering cores

Lower TDP (150W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

Radeon RX 5600 XT +75%

7.188 TFLOPS

Radeon HD 7990

VS

Radeon RX 5600 XT

Graphics Card

Apr 2013

Release Date

Jan 2020

Southern Islands

Generation

Navi

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

950 MHz

Base Clock

1130 MHz

1000 MHz

Boost Clock

1560 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

3GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

192bit

288.0GB/s

Bandwidth

288.0GB/s

Render Config

32

Compute Units

36

-

2048

Shading Units

2304

128

TMUs

144

32

ROPs

64

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

3 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

99.84 GPixel/s

128.0 GTexel/s

Texture Rate

224.6 GTexel/s

-

FP16 (half)

14.38 TFLOPS

4.096 TFLOPS

FP32 (float)

7.188 TFLOPS

1024 GFLOPS

FP64 (double)

449.3 GFLOPS

Board Design

375W

TDP

150W

750 W

Suggested PSU

450 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Malta

GPU Name

Navi 10

Malta XT (215-0849026)

GPU Variant

Navi 10 XLE (215-0917338)

GCN 1.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

10.3 billion

365 mm²

Die Size

251 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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