AMD · Radeon HD 6000 Series

AMD Radeon HD 6770

The AMD Radeon HD 6770 is a graphics card released on April 19, 2011, built on the TeraScale 2 architecture using a 40 nm process. It has 800 shading units, 1 GB of video memory on a 128-bit bus, a boost clock of 900 MHz and a 108 W board power rating. It scores 1,272 in the PassMark G3D benchmark. It supports DirectX 11 and OpenGL 4.4.

TeraScale 2Juniper XT40 nm

8/10 key specs recorded · 36 facts

Depth: 40 recorded fields, 4 PassMark workloads

Specification data last verified October 1, 2026 against PassMark Videocard Benchmark, AMD.com Specifications and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 8 of 10 tracked specifications recorded.

PassMark Videocard Benchmark AMD.com Specifications PassMark Videocard Benchmark Wikipedia GPU list tables (wikigrid-2026-09)

Shading units

800cores

Memory

1 GB

128-bit

Boost clock

900 MHz

850 MHz base

Board power

108 W

Performance

The AMD Radeon HD 6770 scores 1,272 in the PassMark G3D benchmark, higher than 58.9% of the 2,658 GPUs benchmarked (PassMark rank #1,260), measured across 2,762 submitted results. Its PassMark G2D score is 325.

PassMark G3D Mark

1,272

Rank #1,260
Faster than 58.9% of 2,658 GPUs
2,762 samples

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

PassMark workload tests

DirectX 9 35 fps

reference: fastest recorded 526 fps · faster than 50.1% of 1,675 GPUs

DirectX 10 6 fps

reference: fastest recorded 231 fps · faster than 39% of 1,602 GPUs

DirectX 11 11 fps

reference: fastest recorded 362 fps · faster than 34% of 1,430 GPUs

GPU Compute 630 ops/s

reference: fastest recorded 26,591 ops/s · faster than 33.9% 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 6770 averages DirectX 9 35 fps, DirectX 10 6 fps, DirectX 11 11 fps and GPU Compute 630 ops/s, across 2,762 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.

Theoretical throughput

FP32 (single precision) 1.44 TFLOPS calculatedcalculated from shaders x boost clock (MHz) x 2 / 1e6 = 800 x 900 x 2 / 1e6

Pixel fill rate 14.4 GPixel/s calculatedcalculated from ROPs x boost clock (MHz) / 1000 = 16 x 900 / 1000

Texture fill rate 36 GTexel/s calculatedcalculated from TMUs x boost clock (MHz) / 1000 = 40 x 900 / 1000

FP32 (single precision) (1.44 TFLOPS), Pixel fill rate (14.4 GPixel/s) and Texture fill rate (36 GTexel/s) are calculated by Feex from stored specifications, not stated by AMD.

As stated by PassMark

Category Desktop

Bus interface PCIe 2.1 x16

Max memory 1 GB

Core clock 850,850 MHz

Memory clock 1200,1050 MHz

DirectX 11

OpenGL 4.4

Max TDP 108 W

First benchmarked 2011-04-29

Samples 2,762

PassMark listing (collected 2026-09-30)

PassMark's own listing for the AMD Radeon HD 6770 states the PCIe 2.1 x16 interface, up to 1 GB of memory, a core clock of 850,850 MHz, DirectX 11 and OpenGL 4.4, first benchmarked on 2011-04-29. These are PassMark's figures, shown separately from the specification tables above.

Not to be confused with

This page covers the AMD Radeon HD 6770 specifically. It is a different product from AMD Radeon HD 6770M, which have their own specifications. Check the exact model name before comparing figures.

Graphics processor

Architecture TeraScale 2

Codename Juniper XT

Chip Not recorded

Process node 40 nm

Transistors 1,040 M

Die size 166 mm²

The AMD Radeon HD 6770 is based on the TeraScale 2 architecture, uses the Juniper XT graphics processor, is manufactured on a 40 nm process, contains 1,040 million transistors and has a die size of 166 mm².

Shader configuration

Shading units 800

Compute units Not recorded

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) 40

Render output units (ROPs) 16

Ray tracing cores Not recorded

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The AMD Radeon HD 6770 has 800 shading units, 40 texture mapping units and 16 render output units.

The AMD Radeon HD 6770 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 6770.

Clock speeds

Base clock 850 MHz

Boost clock 900 MHz

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The AMD Radeon HD 6770 runs at a base clock of 850 MHz and boosts to 900 MHz.

Memory

Size 1 GB

Type Not recorded

Bus width 128-bit

Bandwidth Not recorded

The AMD Radeon HD 6770 is equipped with 1 GB of memory and uses a 128-bit memory bus.

Board and power

The AMD Radeon HD 6770 has a board power rating of 108 W and it connects over PCIe 2.1 x16.

Board power (TDP) 108 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 April 19, 2011

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment Desktop

Series Radeon HD 6000 Series

The AMD Radeon HD 6770 was released on April 19, 2011.

Benchmarks

PassMark G3D 1,272

PassMark G2D 325

Rank #1,260

Samples 2,762

Graphics and compute APIs

The AMD Radeon HD 6770 supports DirectX 11 and OpenGL 4.4.

DirectX 11

OpenGL 4.4

CUDA is an NVIDIA technology and does not apply to the AMD Radeon HD 6770. Feex has no recorded Vulkan version for the AMD Radeon HD 6770. Feex has no recorded OpenCL version for the AMD Radeon HD 6770.