AMD Radeon R9 285 vs AMD Radeon RX 6700

VS

AMD Radeon R9 285

AMD Radeon RX 6700

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 10GB VRAM Radeon RX 6700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700 's Advantages

Released 6 years and 9 months late

Boost Clock2450MHz

More VRAM (10GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 176.0GB/s)

512 additional rendering cores

Lower TDP (175W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285

3.29 TFLOPS

Radeon RX 6700 +243%

11.29 TFLOPS

Radeon R9 285

VS

Radeon RX 6700

Graphics Card

Sep 2014

Release Date

Jun 2021

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1941 MHz

-

Boost Clock

2450 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

10GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

160bit

176.0GB/s

Bandwidth

320.0GB/s

Render Config

28

Compute Units

36

-

1792

Shading Units

2304

112

TMUs

144

32

ROPs

64

-

RT Cores

36

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

3 MB

-

L3 Cache

80 MB

Theoretical Performance

29.38 GPixel/s

Pixel Rate

156.8 GPixel/s

102.8 GTexel/s

Texture Rate

352.8 GTexel/s

3.290 TFLOPS

FP16 (half)

22.58 TFLOPS

3.290 TFLOPS

FP32 (float)

11.29 TFLOPS

205.6 GFLOPS

FP64 (double)

705.6 GFLOPS

Board Design

190W

TDP

175W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Tonga

GPU Name

Navi 22

Tonga PRO (215-0851128)

GPU Variant

Navi 22 XTL

GCN 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

5 billion

Transistors

17.2 billion

366 mm²

Die Size

335 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.3

-

6.5

Shader Model

6.5

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