Radeon RX 6700 XT vs HD 6870M

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot rated50
Place by popularitynot in top-10078
Cost-effectiveness evaluationno data57.39
Power efficiencyno data15.36
ArchitectureTeraScale 2 (2009−2015)RDNA 2.0 (2020−2024)
GPU code nameGranvilleNavi 22
Market segmentLaptopDesktop
Release date4 January 2011 (13 years ago)3 March 2021 (3 years ago)
Launch price (MSRP)no data$479

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores8002560
Core clock speed675 MHz2321 MHz
Boost clock speedno data2581 MHz
Number of transistors1,040 million17,200 million
Manufacturing process technology40 nm7 nm
Power consumption (TDP)50 Watt230 Watt
Texture fill rate27.00413.0
Floating-point processing power1.08 TFLOPS13.21 TFLOPS
ROPs1664
TMUs40160
Ray Tracing Coresno data40

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizelargeno data
InterfaceMXM-B (3.0)PCIe 4.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin + 1x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR6
Maximum RAM amount1 GB12 GB
Memory bus width128 Bit192 Bit
Memory clock speed1000 MHz2000 MHz
Memory bandwidth64 GB/s384.0 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputs1x HDMI, 3x DisplayPort
HDMI-+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.5
OpenGL4.44.6
OpenCL1.22.1
VulkanN/A1.2

Pros & cons summary


Recency 4 January 2011 3 March 2021
Maximum RAM amount 1 GB 12 GB
Chip lithography 40 nm 7 nm
Power consumption (TDP) 50 Watt 230 Watt

HD 6870M has 360% lower power consumption.

RX 6700 XT, on the other hand, has an age advantage of 10 years, a 1100% higher maximum VRAM amount, and a 471.4% more advanced lithography process.

We couldn't decide between Radeon HD 6870M and Radeon RX 6700 XT. We've got no test results to judge.

Be aware that Radeon HD 6870M is a notebook card while Radeon RX 6700 XT is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon HD 6870M
Radeon HD 6870M
AMD Radeon RX 6700 XT
Radeon RX 6700 XT

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4 4 votes

Rate Radeon HD 6870M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.4 6753 votes

Rate Radeon RX 6700 XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.