ATI Radeon HD 4870 X2 vs AMD Radeon RX 7990 XTX

VS

ATI Radeon HD 4870 X2 AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages

Lower TDP (286W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock3599MHz

More VRAM (24GB vs 1GB)

Larger VRAM bandwidth (1152GB/s vs 115.2GB/s)

5344 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

Radeon RX 7990 XTX +7270%

88.45 TFLOPS

Radeon HD 4870 X2

VS

Radeon RX 7990 XTX

Graphics Card

Aug 2008

Release Date

Unknown

Radeon R700

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2500 MHz

-

Boost Clock

3599 MHz

900 MHz

Memory Clock

3000 MHz

Memory

1024MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

384bit

115.2GB/s

Bandwidth

1152GB/s

Render Config

-

SM Count

-

10

Compute Units

96

800

Shading Units

6144

40

TMUs

384

16

ROPs

192

-

Tensor Cores

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

691.0 GPixel/s

30.00 GTexel/s

Texture Rate

1382 GTexel/s

-

FP16 (half)

176.9 TFLOPS

1200 GFLOPS

FP32 (float)

88.45 TFLOPS

240.0 GFLOPS

FP64 (double)

2.764 TFLOPS

Graphics Processor

R700

GPU Name

Navi 31

R700 XT (215-0669045)

GPU Variant

Navi 31 XTX+

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.956 billion

Transistors

57.7 billion

256 mm²

Die Size

529 mm²

Board Design

286W

TDP

405W

600 W

Suggested PSU

800 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

3x 8-pin

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.2

N/A

Vulkan

1.3

-

CUDA

-

4.1

Shader Model

6.7

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