Radeon HD 6870M vs HD 6870

Primary details

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

Place in performance ranking	563	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.36	no data
Architecture	Terascale 2 (2009−2015)	Terascale 2 (2009−2015)
GPU code name	RV940 Barts	Granville-PRO
Market segment	Desktop	Laptop
Design	reference	no data
Release date	22 October 2010 (13 years ago)	7 January 2011 (13 years ago)
Launch price (MSRP)	$239	no data
Current price	$332 (1.4x MSRP)	$338

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	1120	800
Core clock speed	no data	675 MHz
Boost clock speed	900 MHz	no data
Number of transistors	1,700 million	1,040 million
Manufacturing process technology	40 nm	40 nm
Power consumption (TDP)	151 Watt	50 Watt
Texture fill rate	50.40	27.00
Floating-point performance	2,016.0 gflops	1,080.0 gflops

Form factor & compatibility

Information on Radeon HD 6870 and Radeon HD 6870M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop size	no data	large
Bus support	PCIe 2.0 x16	no data
Interface	PCIe 2.0 x16	MXM-B (3.0)
Length	220 mm	no data
Width	2-slot	no data
Supplementary power connectors	2x 6-pin	no data

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 type	GDDR5	DDR3, GDDR3, GDDR5
Maximum RAM amount	1 GB	1 GB
Memory bus width	256 Bit	128 Bit
Memory clock speed	1050 MHz	1000 MHz
Memory bandwidth	134.4 GB/s	64 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 Connectors	2x DVI, 1x HDMI, 2x mini-DisplayPort	No outputs
Eyefinity	1	no data
HDMI	+	no data
DisplayPort support	-	no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

AppAcceleration	-	no data
CrossFire	1	no data
Enduro	-	no data
HD3D	-	no data
PowerTune	-	no data
TrueAudio	-	no data
ZeroCore	-	no data

API compatibility

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

DirectX	DirectX® 11	11.2 (11_0)
Shader Model	5.0	5.0
OpenGL	4.4	4.4
OpenCL	1.2	1.2
Vulkan	no data	N/A
Mantle	-	no data

Pros & cons summary

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Recency	22 October 2010	7 January 2011
Power consumption (TDP)	151 Watt	50 Watt

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