AMD Radeon HD 6870 X2

AMD Radeon HD 6870 X2 — 1 Гб ×2 (2 Гб) GDDR5, 1120 ×2 (2240) ядер, GPI 1.7

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Performance Rating

The Radeon HD 6870 X2 was a high-end graphics card by AMD, launched on July 8th, 2011. Built on the 40 nm process, and based on the Barts graphics processor, in its Barts XT variant, the card supports DirectX 11.2. The Barts graphics processor is an average sized chip with a die area of 255 mm² and 1,700 million transistors. Radeon HD 6870 X2 combines two graphics processors to increase performance. It features 1120 shading units, 56 texture mapping units, and 32 ROPs, per GPU. AMD has paired 2,048 MB GDDR5 memory with the Radeon HD 6870 X2, which are connected using a 256-bit memory interface per GPU (each GPU manages 1,024 MB). The GPU is operating at a frequency of 900 MHz, memory is running at 1050 MHz (4.2 Gbps effective).

A100 A100
H200 H200
MI325X MI325X

AMD Radeon HD 6870 X2

1.7

AMD Radeon HD 6870 X2

1.7

Memory

Memory Size

1 ГБ ×2 (2 ГБ)

Memory Type

Memory Bandwidth

134.4 GB/s ×2 (268.8 GB/s)

Memory Bus Width

256 бит ×2 (512 бит)

ML Performance

FP16 (Half Precision)

No TFLOPS
998.4 TFLOPS
(Intel UHD Graphics 730)

BF16 (Brain Float)

No TFLOPS
311.84 TFLOPS
(NVIDIA A800 SXM4 80 GB)

TF32 (TensorFloat)

Compute Power

FP32 (Single Precision)

2.016 TFLOPS

FP64 (Double Precision)

No TFLOPS
1,204,000.0 TFLOPS
(AMD Radeon RX 7900M)

CUDA Cores

1,120 ×2 (2240)

Architecture & Compatibility

GPU Architecture

TeraScale 2

SM (Streaming Multiprocessor)

PCIe Version

PCIe 2.0 x16

ML Software Support

CUDA Version

Clocks & Performance

Base Clock

Memory Clock

Power Consumption

TDP/TGP

300 W
unknown
(NVIDIA CMP 70HX)

Recommended PSU

Power Connector

2x 8-pin

Rendering

Texture Units (TMU)

56 ×2 (112)

Additional

Slots

Dual-slot
SXM Module
(NVIDIA H200 SXM 141 GB)

Release Date

July 8, 2011

Display Outputs

2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
4x mini-DisplayPort 2.0
4x HDMI 2.1
(SPARKLE Arc A310 OmniView)

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