AMD Radeon HD 6870 X2 vs AMD Radeon RX 7700 XT

VS

AMD Radeon HD 6870 X2

AMD Radeon RX 7700 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 12GB VRAM Radeon RX 7700 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7700 XT 's Advantages

Released 12 years and 1 months late

Boost Clock2544MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432.0GB/s vs 134.4GB/s)

2336 additional rendering cores

Lower TDP (245W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

Radeon RX 7700 XT +1644%

35.17 TFLOPS

Radeon HD 6870 X2

VS

Radeon RX 7700 XT

Graphics Card

Jul 2011

Release Date

Aug 2023

Northern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1435 MHz

-

Boost Clock

2544 MHz

1050 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

134.4GB/s

Bandwidth

432.0GB/s

Render Config

14

Compute Units

54

-

1120

Shading Units

3456

56

TMUs

216

32

ROPs

96

-

RT Cores

54

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

48 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

244.2 GPixel/s

50.40 GTexel/s

Texture Rate

549.5 GTexel/s

-

FP16 (half)

70.34 TFLOPS

2.016 TFLOPS

FP32 (float)

35.17 TFLOPS

-

FP64 (double)

1099 GFLOPS

Board Design

300W

TDP

245W

700 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

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

-

Power Connectors

2x 8-pin

Graphics Processor

Barts

GPU Name

Navi 32

Barts XT (215-0798000)

GPU Variant

Navi 32 XL (215-180000076)

TeraScale 2

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.7 billion

Transistors

28.1 billion

255 mm²

Die Size

346 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

Related GPU Comparisons

1

AMD Radeon HD 6870 X2 vs ATI Radeon HD 5450 PCIe x1

2

AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 680 Mac Edition

3

AMD Radeon HD 6870 X2 vs NVIDIA GeForce 8800 Ultra

4

AMD Radeon HD 6870 X2 vs AMD Radeon R9 255 OEM

5

AMD Radeon HD 6870 X2 vs AMD Radeon R9 390X

6

AMD Radeon HD 6870 X2 vs NVIDIA GeForce GT 625 OEM

7

AMD Radeon HD 6870 X2 vs NVIDIA GeForce GT 630 OEM

8

AMD Radeon HD 6870 X2 vs AMD Radeon HD 6950

9

AMD Radeon HD 6870 X2 vs NVIDIA GeForce RTX 2060 12 GB

10

AMD Radeon HD 6870 X2 vs AMD Radeon HD 8350 OEM

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!