AMD Radeon RX 7800 vs AMD Radeon HD 6870

VS

AMD Radeon RX 7800

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 's Advantages

Released 12 years and 3 months late

Boost Clock2800MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 134.4GB/s)

2720 additional rendering cores

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +1751%

37.32 TFLOPS

Radeon HD 6870

2.016 TFLOPS

Radeon RX 7800

VS

Radeon HD 6870

Graphics Card

Jan 2023

Release Date

Oct 2010

Navi III

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1800 MHz

Base Clock

-

2800 MHz

Boost Clock

-

2250 MHz

Memory Clock

1050 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

134.4GB/s

Render Config

60

Compute Units

14

-

3840

Shading Units

1120

240

TMUs

56

128

ROPs

32

-

60

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

64 MB

L3 Cache

-

Theoretical Performance

358.4 GPixel/s

Pixel Rate

28.80 GPixel/s

672.0 GTexel/s

Texture Rate

50.40 GTexel/s

86.02 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

2.016 TFLOPS

1344 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

151W

700 W

Suggested PSU

450 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 32

GPU Name

Barts

Navi 32 XT

GPU Variant

Barts XT (215-0798000)

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

Unknown

Transistors

1.7 billion

346 mm²

Die Size

255 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon RX 7800 vs AMD Radeon RX 7950 XT

2

AMD Radeon RX 7800 vs NVIDIA GeForce RTX 2060 12 GB

3

AMD Radeon RX 7800 vs NVIDIA GeForce GT 430 PCI

4

AMD Radeon RX 7800 vs AMD Radeon RX 580X

5

AMD Radeon RX 7800 vs NVIDIA GeForce 9400 GT Rev. 3

6

AMD Radeon RX 7800 vs NVIDIA GeForce GT 630 Rev. 2 PCIe x8

7

AMD Radeon RX 7800 vs NVIDIA GeForce GTX 460 v2

8

AMD Radeon RX 7800 vs ATI FirePro V4900

9

AMD Radeon RX 7800 vs NVIDIA GeForce GT 645 OEM

10

AMD Radeon RX 7800 vs NVIDIA GeForce GT 530 OEM

Related News

1

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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