AMD Radeon RX 6700 XT vs ATI Radeon HD 4850

VS

AMD Radeon RX 6700 XT

ATI Radeon HD 4850

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT and 512MB VRAM Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700 XT 's Advantages

Released 12 years and 9 months late

Boost Clock2581MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 63.55GB/s)

1760 additional rendering cores

ATI Radeon HD 4850 's Advantages

Lower TDP (110W vs 230W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 XT +1221%

13.21 TFLOPS

Radeon HD 4850

1 TFLOPS

Radeon RX 6700 XT

VS

Radeon HD 4850

Graphics Card

Mar 2021

Release Date

Jun 2008

Navi II

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2000 MHz

Memory Clock

993 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

63.55GB/s

Render Config

40

Compute Units

10

-

2560

Shading Units

800

160

TMUs

40

64

ROPs

16

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

10.00 GPixel/s

413.0 GTexel/s

Texture Rate

25.00 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

1000 GFLOPS

825.9 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

230W

TDP

110W

550 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 22

GPU Name

RV770

Navi 22 XT (215-127000006)

GPU Variant

RV770 PRO (215-0669065)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

17.2 billion

Transistors

0.956 billion

335 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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