AMD Radeon RX 7900 XTX vs ATI Radeon HD 4850 X2

VS

AMD Radeon RX 7900 XTX ATI Radeon HD 4850 X2

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 512MB VRAM Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

Released 14 years late

Boost Clock2498MHz

Larger VRAM bandwidth (960.0GB/s vs 63.68GB/s)

5344 additional rendering cores

ATI Radeon HD 4850 X2 's Advantages

Lower TDP (250W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +6039%

61.39 TFLOPS

Radeon HD 4850 X2

1 TFLOPS

Radeon RX 7900 XTX

VS

Radeon HD 4850 X2

Graphics Card

Nov 2022

Release Date

Nov 2008

Navi III

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1929 MHz

Base Clock

-

2498 MHz

Boost Clock

-

2500 MHz

Memory Clock

995 MHz

Memory

24GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

384bit

Memory Bus

256bit

960.0GB/s

Bandwidth

63.68GB/s

Render Config

-

SM Count

-

96

Compute Units

10

6144

Shading Units

800

384

TMUs

40

192

ROPs

16

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

10.00 GPixel/s

959.2 GTexel/s

Texture Rate

25.00 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

1000 GFLOPS

1.918 TFLOPS

FP64 (double)

200.0 GFLOPS

Graphics Processor

Navi 31

GPU Name

R700

Navi 31 XTX (215-145000146)

GPU Variant

R700 PRO (215-0669065)

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

Board Design

355W

TDP

250W

750 W

Suggested PSU

600 W

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

Outputs

4x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

-

CUDA

-

6.7

Shader Model

4.1

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