AMD Radeon HD 7990 vs AMD Radeon RX 5300

VS

AMD Radeon HD 7990

AMD Radeon RX 5300

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 3GB VRAM Radeon RX 5300 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 168.0GB/s)

640 additional rendering cores

AMD Radeon RX 5300 's Advantages

Released 7 years and 1 months late

Boost Clock has increased by 64% (1645MHz vs 1000MHz)

Lower TDP (100W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

Radeon RX 5300 +13%

4.632 TFLOPS

Radeon HD 7990

VS

Radeon RX 5300

Graphics Card

Apr 2013

Release Date

May 2020

Southern Islands

Generation

Navi

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

950 MHz

Base Clock

1327 MHz

1000 MHz

Boost Clock

1645 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

3GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

96bit

288.0GB/s

Bandwidth

168.0GB/s

Render Config

32

Compute Units

22

-

2048

Shading Units

1408

128

TMUs

88

32

ROPs

32

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

1536 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

52.64 GPixel/s

128.0 GTexel/s

Texture Rate

144.8 GTexel/s

-

FP16 (half)

9.265 TFLOPS

4.096 TFLOPS

FP32 (float)

4.632 TFLOPS

1024 GFLOPS

FP64 (double)

289.5 GFLOPS

Board Design

375W

TDP

100W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Malta

GPU Name

Navi 14

Malta XT (215-0849026)

GPU Variant

Navi 14 XE

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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