ATI Radeon HD 4870 X2 vs AMD Radeon RX 6700

VS

ATI Radeon HD 4870 X2 AMD Radeon RX 6700

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 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 12 years and 10 months late

Boost Clock2450MHz

More VRAM (10GB vs 1GB)

Larger VRAM bandwidth (320.0GB/s vs 115.2GB/s)

1504 additional rendering cores

Lower TDP (175W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

Radeon RX 6700 +840%

11.29 TFLOPS

Radeon HD 4870 X2

VS

Radeon RX 6700

Graphics Card

Aug 2008

Release Date

Jun 2021

Radeon R700

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1941 MHz

-

Boost Clock

2450 MHz

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

10GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

160bit

115.2GB/s

Bandwidth

320.0GB/s

Render Config

-

SM Count

-

10

Compute Units

36

800

Shading Units

2304

40

TMUs

144

16

ROPs

64

-

Tensor Cores

-

RT Cores

36

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

156.8 GPixel/s

30.00 GTexel/s

Texture Rate

352.8 GTexel/s

-

FP16 (half)

22.58 TFLOPS

1200 GFLOPS

FP32 (float)

11.29 TFLOPS

240.0 GFLOPS

FP64 (double)

705.6 GFLOPS

Graphics Processor

R700

GPU Name

Navi 22

R700 XT (215-0669045)

GPU Variant

Navi 22 XTL

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.956 billion

Transistors

17.2 billion

256 mm²

Die Size

335 mm²

Board Design

286W

TDP

175W

600 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

4.1

Shader Model

6.5

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