AMD Radeon RX 6900 XTX vs ATI Radeon HD 5950

VS

AMD Radeon RX 6900 XTX ATI Radeon HD 5950

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 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 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (576.0GB/s vs 128.0GB/s)

3680 additional rendering cores

ATI Radeon HD 5950 's Advantages

Lower TDP (302W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +1093%

24.93 TFLOPS

ATI Radeon HD 5950

2.088 TFLOPS

Radeon RX 6900 XTX

VS

ATI Radeon HD 5950

Graphics Card

Unknown

Release Date

Unknown

Navi II

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2435 MHz

Boost Clock

-

2250 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

80

Compute Units

18

5120

Shading Units

1440

320

TMUs

72

128

ROPs

32

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

311.7 GPixel/s

Pixel Rate

23.20 GPixel/s

779.2 GTexel/s

Texture Rate

52.20 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

2.088 TFLOPS

1.558 TFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

Hemlock

Navi 21 XTXH (215-121000247)

GPU Variant

Hemlock PRO

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

2.154 billion

520 mm²

Die Size

334 mm²

Board Design

330W

TDP

302W

700 W

Suggested PSU

700 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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