AMD · Radeon HD 8000 Series

AMD Radeon HD 8490

The AMD Radeon HD 8490 is a graphics card released on July 23, 2013, built on the TeraScale 2 architecture using a 40 nm process. It has 160 shading units, 1 GB of video memory on a 64-bit bus, a boost clock of 875 MHz and a 35 W board power rating. It scores 264 in the PassMark G3D benchmark. It supports DirectX 11 and OpenGL 4.4.

TeraScale 2Caicos40 nm

7/10 key specs recorded · 26 facts

Depth: 37 recorded fields, 4 PassMark workloads

Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 7 of 10 tracked specifications recorded.

PassMark Videocard Benchmark Wikipedia GPU list tables (wikigrid-2026-09)PassMark Videocard Benchmark

Shading units

160cores

Memory

1 GB

64-bit

Boost clock

n/a

875 MHz base

Board power

35 W

Performance

The AMD Radeon HD 8490 scores 264 in the PassMark G3D benchmark, higher than 27.4% of the 2,658 GPUs benchmarked (PassMark rank #2,125), measured across 314 submitted results. Its PassMark G2D score is 175.

PassMark G3D Mark

264

Rank #2,125
Faster than 27.4% of 2,658 GPUs
314 samples

0relative to the fastest GPU on record (41,928)

PassMark workload tests

DirectX 9 11 fps

reference: fastest recorded 526 fps · faster than 21.8% of 1,675 GPUs

DirectX 10 1 fps

reference: fastest recorded 231 fps · faster than 0% of 1,602 GPUs

DirectX 11 2 fps

reference: fastest recorded 362 fps · faster than 1.2% of 1,430 GPUs

GPU Compute 179 ops/s

reference: fastest recorded 26,591 ops/s · faster than 6.8% of 1,447 GPUs

Averages of PassMark PerformanceTest submissions; frames/sec are PassMark test-scene rates, not game FPS. Tests PassMark does not report for this card are omitted. PassMark listing

In the PassMark workload tests the AMD Radeon HD 8490 averages DirectX 9 11 fps, DirectX 10 1 fps, DirectX 11 2 fps and GPU Compute 179 ops/s, across 314 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.

As stated by PassMark

Category Desktop

Bus interface PCIe 2.1 x16

Max memory 1 GB

Core clock 875 MHz

Memory clock 900 MHz

DirectX 11

OpenGL 4.4

Max TDP 35 W

First benchmarked 2014-03-19

Samples 314

PassMark listing (collected 2026-10-01)

PassMark's own listing for the AMD Radeon HD 8490 states the PCIe 2.1 x16 interface, up to 1 GB of memory, a core clock of 875 MHz, DirectX 11 and OpenGL 4.4, first benchmarked on 2014-03-19. These are PassMark's figures, shown separately from the specification tables above.

Graphics processor

Architecture TeraScale 2

Codename Caicos

Chip Not recorded

Process node 40 nm

Transistors 370 M

Die size 67 mm²

The AMD Radeon HD 8490 is based on the TeraScale 2 architecture, uses the Caicos graphics processor, is manufactured on a 40 nm process, contains 370 million transistors and has a die size of 67 mm².

Shader configuration

Shading units 160

Compute units Not recorded

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) 8

Render output units (ROPs) 4

Ray tracing cores Not recorded

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The AMD Radeon HD 8490 has 160 shading units, 8 texture mapping units and 4 render output units.

The AMD Radeon HD 8490 does not use XMX engines; those are specific to Intel Arc graphics. Feex has no recorded ray tracing core count for the AMD Radeon HD 8490.

Clock speeds

Base clock 875 MHz

Boost clock Not recorded

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The AMD Radeon HD 8490 runs at a base clock of 875 MHz.

Memory

Size 1 GB

Type Not recorded

Bus width 64-bit

Bandwidth Not recorded

The AMD Radeon HD 8490 is equipped with 1 GB of memory and uses a 64-bit memory bus.

Board and power

The AMD Radeon HD 8490 has a board power rating of 35 W and it connects over PCIe 2.1 x16.

Board power (TDP) 35 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 2.1 x16

Market

Launched July 23, 2013

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment Desktop

Series Radeon HD 8000 Series

The AMD Radeon HD 8490 was released on July 23, 2013.

Benchmarks

PassMark G3D 264

PassMark G2D 175

Rank #2,125

Samples 314

Graphics and compute APIs

The AMD Radeon HD 8490 supports DirectX 11 and OpenGL 4.4.

DirectX 11 (stated by PassMark)

OpenGL 4.4 (stated by PassMark)

CUDA is an NVIDIA technology and does not apply to the AMD Radeon HD 8490. Feex has no recorded Vulkan version for the AMD Radeon HD 8490. Feex has no recorded OpenCL version for the AMD Radeon HD 8490.