H800 PCIe 80 GB vs Radeon HD 6870

Primary details

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

Place in the ranking	595	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.93	no data
Power efficiency	2.65	no data
Architecture	TeraScale 2 (2009−2015)	Hopper (2022−2023)
GPU code name	Barts	GH100
Market segment	Desktop	Workstation
Design	reference	no data
Release date	21 October 2010 (14 years ago)	21 March 2023 (1 year ago)
Launch price (MSRP)	$239	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores	1120	14592
Core clock speed	no data	1095 MHz
Boost clock speed	900 MHz	1755 MHz
Number of transistors	1,700 million	80,000 million
Manufacturing process technology	40 nm	4 nm
Power consumption (TDP)	151 Watt	350 Watt
Texture fill rate	50.40	800.3
Floating-point processing power	2.016 TFLOPS	51.22 TFLOPS
ROPs	32	24
TMUs	56	456
Tensor Cores	no data	456

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).

Bus support	PCIe 2.0 x16	no data
Interface	PCIe 2.0 x16	PCIe 5.0 x16
Length	220 mm	268 mm
Width	2-slot	2-slot
Supplementary power connectors	2x 6-pin	1x 16-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 type	GDDR5	HBM2e
Maximum RAM amount	1 GB	80 GB
Memory bus width	256 Bit	5120 Bit
Memory clock speed	1050 MHz	1593 MHz
Memory bandwidth	134.4 GB/s	2,039 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	+	-
HDMI	+	-

Supported technologies

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

CrossFire

+

-

API compatibility

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

DirectX	DirectX® 11	N/A
Shader Model	5.0	N/A
OpenGL	4.4	N/A
OpenCL	1.2	3.0
Vulkan	-	N/A
CUDA	-	9.0

Pros & cons summary

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Recency	21 October 2010	21 March 2023
Maximum RAM amount	1 GB	80 GB
Chip lithography	40 nm	4 nm
Power consumption (TDP)	151 Watt	350 Watt

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