AMD Radeon RX 7950 XTX vs ATI Radeon HD 4870 X2

VS

AMD Radeon RX 7950 XTX

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7950 XTX 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 7950 XTX 's Advantages

Boost Clock3300MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (960.0GB/s vs 115.2GB/s)

5344 additional rendering cores

ATI Radeon HD 4870 X2 's Advantages

Lower TDP (286W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XTX +6658%

81.1 TFLOPS

Radeon HD 4870 X2

1.2 TFLOPS

Radeon RX 7950 XTX

VS

Radeon HD 4870 X2

Graphics Card

Unknown

Release Date

Aug 2008

Navi III

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2200 MHz

Base Clock

-

3300 MHz

Boost Clock

-

2500 MHz

Memory Clock

900 MHz

Memory

24GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

256bit

960.0GB/s

Bandwidth

115.2GB/s

Render Config

96

Compute Units

10

-

6144

Shading Units

800

384

TMUs

40

192

ROPs

16

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

96 MB

L3 Cache

-

Theoretical Performance

633.6 GPixel/s

Pixel Rate

12.00 GPixel/s

1267 GTexel/s

Texture Rate

30.00 GTexel/s

162.2 TFLOPS

FP16 (half)

-

81.10 TFLOPS

FP32 (float)

1200 GFLOPS

2.534 TFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

355W

TDP

286W

750 W

Suggested PSU

600 W

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

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 31

GPU Name

R700

Navi 31 XTX+

GPU Variant

R700 XT (215-0669045)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

57.7 billion

Transistors

0.956 billion

529 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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