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GPU

SAPPHIRE

Sapphire HD 7870 OC

Graphics processor

Video memory: 2 GB^*
Memory bus: 256 bit^*
Rated memory bandwidth: 160 GB/s^*

No matched benchmark results are available for this entry yet.

Processing & platform

Architecture: GCN 1.0^*
Process node: 28 nm^*
GPU cores: 1,280^*
Graphics interface: PCIe 3.0 x16^*
Reported chip die area: 212 mm²^*
Transistors: 2,800 million^*
Graphics processor: Pitcairn^*
Texture mapping units: 80^*
Raster output units: 32^*
Chip foundry: TSMC^*
Card or module format: Dual-slot^*
Declared GPU TDP: 175 W^*
Suggested system PSU: 450 W^*
External power connectors: 2x 6-pin^*
DirectX / feature level: 12 (11_1)^*
OpenGL: 4.6^*
OpenCL: 2.1 (1.2)^*
Vulkan: 1.2.170^*
Shader model: 6.5 (5.1)^*
GPU L2 cache: 512 KB^*

Memory & storage

Memory options: 2^*
Video memory: 2 GB^*
Video memory type: GDDR5^*
Memory bus: 256 bit^*
Rated memory bandwidth: 160 GB/s^*

Power specifications

Thermal design power: 175 W^*

System configuration

Detailed specifications

Specifications 1 · 23 fields

proc transistors: 2,800 million^*
proc die size: 212^* mm²
cores: 1,280^*
memory clock: 1,250^*
ram: 2^*
name: Sapphire HD 7870 OC^*
ram type: GDDR5^*
bus width: 256^*
bus interface: PCIe 3.0 x16^*
ram bandwidth: 160^* GB/s
fp32 performance: 2.688^*
fp64 performance: 0.168^*
tdp: 175^* W
suggested psu: 450^* W
slot width: Dual-slot^*
power connectors: 2x 6-pin^*
is retail board: Yes^*
gpi value: 2.23^*
manufacturer: SAPPHIRE^*
arch name: GCN 1.0^*
card release date: 2012-03-05^*
proc foundry: TSMC^*
proc process size: 28^* nm

Specifications 2 · 35 fields

DirectX / feature level

12 (11_1)^*

OpenCL

2.1 (1.2)^*

OpenGL

4.6^*

Shader model

6.5 (5.1)^*

Vulkan

1.2.170^*

Architecture

GCN 1.0^*

Graphics interface

PCIe 3.0 x16^*

Memory bus

256^* bit

Reported shader processors

1,280^*

Reported theoretical FP32 peak

2.688^* TFLOPS

Scope and conditions

Arithmetic density: Not stated^*

Reported theoretical FP64 peak

0.168^* TFLOPS

Scope and conditions

Arithmetic density: Not stated^*

Declared L1 cache configuration

16 KB (per CU)^*

Declared GPU L2 cache

512 KB^*

Reported display outputs

1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2^*

Theoretical pixel fill rate

33.60 GPixel/s^*

External power connectors

2x 6-pin^*

Reported chip die area

212 mm²^*

Chip foundry

TSMC^*

Process node declaration

28 nm^*

Transistors

2,800 million^*

Graphics processor

Pitcairn^*

Reported video memory

2^* GB

Rated memory bandwidth

160.0 GB/s^*

Video memory type

GDDR5^*

Raster output units

32^*

Reported shading units

1,280^*

Card or module format

Dual-slot^*

Suggested system PSU

450 W^*

2:4 tensor sparsity

No^*

Declared GPU TDP

175 W^*

Theoretical texture fill rate

84.00 GTexel/s^*

Texture mapping units

80^*

GPU cores

1,280^*

Video memory

2^* GB

Video memory type

GDDR5^*

* Provisional data