Feex·GPU
AMD · Radeon HD 3000 Series

AMD Radeon HD 3850 X2

The AMD Radeon HD 3850 X2 is a graphics card released on April 4, 2008. It has 1 GB of GDDR3 memory, a boost clock of 668 MHz and a 349 W board power rating. It scores 822 in the PassMark G3D benchmark. It supports DirectX 10.1 and OpenGL 3.3.

RV670 PRO
5/10 key specs recorded · 23 facts

Depth: 27 recorded fields

Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 5 of 10 tracked specifications recorded.

Shading units
n/a
Memory
1 GB
GDDR3
Boost clock
n/a
668 MHz base
Board power
349 W

Performance

The AMD Radeon HD 3850 X2 scores 822 in the PassMark G3D benchmark, higher than 50% of the 2,658 GPUs benchmarked (PassMark rank #1,510), measured across 9 submitted results. Its PassMark G2D score is 422.

PassMark G3D Mark
822
Rank #1,510
Faster than 50% of 2,658 GPUs
9 samples
0relative to the fastest GPU on record (41,928)

As stated by PassMark

Category Desktop
Bus interface PCIe 2.0 x16
Max memory 1 GB
Core clock 668 MHz
Memory clock 828 MHz
DirectX 10.1
OpenGL 3.3
Max TDP 349 W
First benchmarked 2009-09-27
Samples 9

PassMark listing (collected 2026-10-01)

PassMark's own listing for the AMD Radeon HD 3850 X2 states the PCIe 2.0 x16 interface, up to 1 GB of memory, a core clock of 668 MHz, DirectX 10.1 and OpenGL 3.3, first benchmarked on 2009-09-27. These are PassMark's figures, shown separately from the specification tables above.

Graphics processor

Architecture Not recorded
Codename RV670 PRO
Chip Not recorded
Process node Not recorded
Transistors Not recorded
Die size Not recorded

The AMD Radeon HD 3850 X2 uses the RV670 PRO graphics processor.

Clock speeds

Base clock 668 MHz
Boost clock Not recorded
Game clock Not recorded
Memory clock Not recorded
Effective memory clock Not recorded

The AMD Radeon HD 3850 X2 runs at a base clock of 668 MHz.

Memory

Size 1 GB
Type GDDR3
Bus width Not recorded
Bandwidth Not recorded

The AMD Radeon HD 3850 X2 is equipped with 1 GB of GDDR3 memory.

Board and power

The AMD Radeon HD 3850 X2 has a board power rating of 349 W and it connects over PCIe 2.0 x16.

Board power (TDP) 349 W
Total board power Not recorded
Suggested PSU Not recorded
Power connectors Not recorded
Slot width Not recorded
Length Not recorded
Width Not recorded
Height Not recorded
Cooler Not recorded
Max temperature Not recorded
Bus interface PCIe 2.0 x16

Market

Launched April 4, 2008
Launch price $349
Status Not recorded
Form factor Not recorded
Segment Desktop
Series Radeon HD 3000 Series

The AMD Radeon HD 3850 X2 was released on April 4, 2008 and launched at a price of $349.

Benchmarks

PassMark G3D 822
PassMark G2D 422
Rank #1,510
Samples 9

Graphics and compute APIs

The AMD Radeon HD 3850 X2 supports DirectX 10.1 and OpenGL 3.3.

DirectX 10.1
OpenGL 3.3

CUDA is an NVIDIA technology and does not apply to the AMD Radeon HD 3850 X2. Feex has no recorded Vulkan version for the AMD Radeon HD 3850 X2. Feex has no recorded OpenCL version for the AMD Radeon HD 3850 X2.

Naming and aliases

The AMD Radeon HD 3850 X2 is also known by other names: PassMark also lists it as ATI Radeon HD 3850 X2.

Other names (PassMark) ATI Radeon HD 3850 X2

Frequently asked questions

How much VRAM does the AMD Radeon HD 3850 X2 have?

The AMD Radeon HD 3850 X2 has 1 GB of GDDR3 memory.

How much power does the AMD Radeon HD 3850 X2 use and what power supply does it need?

The AMD Radeon HD 3850 X2 has a board power rating of 349 W.

How fast is the AMD Radeon HD 3850 X2?

The AMD Radeon HD 3850 X2 scores 822 in the PassMark G3D benchmark, higher than 50% of the 2,658 GPUs benchmarked. Its PassMark rank is #1,510.

What bus interface does the AMD Radeon HD 3850 X2 use?

The AMD Radeon HD 3850 X2 connects over PCIe 2.0 x16.

When was the AMD Radeon HD 3850 X2 released and how much did it cost at launch?

The AMD Radeon HD 3850 X2 was released on April 4, 2008 and launched at a price of $349.

Similar performance