AMD Radeon HD 7850 vs AMD Radeon RX 6700 XT

VS

AMD Radeon HD 7850

AMD Radeon RX 6700 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 12GB VRAM Radeon RX 6700 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850 's Advantages

Lower TDP (130W vs 230W)

AMD Radeon RX 6700 XT 's Advantages

Released 9 years late

Boost Clock2581MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 153.6GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7850

1.761 TFLOPS

Radeon RX 6700 XT +650%

13.21 TFLOPS

3DMark Time Spy

Radeon HD 7850

1312

Radeon RX 6700 XT +874%

12779

Radeon HD 7850

VS

Radeon RX 6700 XT

Graphics Card

Mar 2012

Release Date

Mar 2021

Southern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2321 MHz

-

Boost Clock

2581 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

153.6GB/s

Bandwidth

384.0GB/s

Render Config

16

Compute Units

40

-

1024

Shading Units

2560

64

TMUs

160

32

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

27.52 GPixel/s

Pixel Rate

165.2 GPixel/s

55.04 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

1.761 TFLOPS

FP32 (float)

13.21 TFLOPS

110.1 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

130W

TDP

230W

300 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Pitcairn

GPU Name

Navi 22

Pitcairn PRO (215-0828062)

GPU Variant

Navi 22 XT (215-127000006)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

17.2 billion

212 mm²

Die Size

335 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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