AMD Radeon RX 6950 XT vs ATI Radeon HD 4870 X2

VS

AMD Radeon RX 6950 XT

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6950 XT and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6950 XT 's Advantages

Released 13 years and 9 months late

Boost Clock2310MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 115.2GB/s)

4320 additional rendering cores

ATI Radeon HD 4870 X2 's Advantages

Lower TDP (286W vs 335W)

Score

Benchmark

FP32 (float)

Radeon RX 6950 XT +1870%

23.65 TFLOPS

Radeon HD 4870 X2

1.2 TFLOPS

Radeon RX 6950 XT

VS

Radeon HD 4870 X2

Graphics Card

May 2022

Release Date

Aug 2008

Navi II

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1860 MHz

Base Clock

-

2310 MHz

Boost Clock

-

2250 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

115.2GB/s

Render Config

80

Compute Units

10

-

5120

Shading Units

800

320

TMUs

40

128

ROPs

16

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

295.7 GPixel/s

Pixel Rate

12.00 GPixel/s

739.2 GTexel/s

Texture Rate

30.00 GTexel/s

47.31 TFLOPS

FP16 (half)

-

23.65 TFLOPS

FP32 (float)

1200 GFLOPS

1478 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

335W

TDP

286W

700 W

Suggested PSU

600 W

1x HDMI 2.1 2x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 21

GPU Name

R700

Navi 21 KXTX (215-121000289)

GPU Variant

R700 XT (215-0669045)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

26.8 billion

Transistors

0.956 billion

520 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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