AMD Radeon RX 7990 XTX vs ATI Radeon HD 5950

VS

AMD Radeon RX 7990 XTX

ATI Radeon HD 5950

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 1024MB VRAM ATI Radeon HD 5950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock3599MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (1152GB/s vs 128.0GB/s)

4704 additional rendering cores

ATI Radeon HD 5950 's Advantages

Lower TDP (302W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +4136%

88.45 TFLOPS

ATI Radeon HD 5950

2.088 TFLOPS

Radeon RX 7990 XTX

VS

ATI Radeon HD 5950

Graphics Card

Unknown

Release Date

Unknown

Navi III

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2500 MHz

Base Clock

-

3599 MHz

Boost Clock

-

3000 MHz

Memory Clock

1000 MHz

Memory

24GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

256bit

1152GB/s

Bandwidth

128.0GB/s

Render Config

96

Compute Units

18

-

6144

Shading Units

1440

384

TMUs

72

192

ROPs

32

-

96

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

512 KB

192 MB

L3 Cache

-

Theoretical Performance

691.0 GPixel/s

Pixel Rate

23.20 GPixel/s

1382 GTexel/s

Texture Rate

52.20 GTexel/s

176.9 TFLOPS

FP16 (half)

-

88.45 TFLOPS

FP32 (float)

2.088 TFLOPS

2.764 TFLOPS

FP64 (double)

-

Board Design

405W

TDP

302W

800 W

Suggested PSU

700 W

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

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

3x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 31

GPU Name

Hemlock

Navi 31 XTX+

GPU Variant

Hemlock PRO

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

2.154 billion

529 mm²

Die Size

334 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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