AMD Radeon HD 8490 OEM vs AMD Radeon HD 6770

VS

AMD Radeon HD 8490 OEM AMD Radeon HD 6770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8490 OEM 's Advantages

Released 2 years and 6 months late

Lower TDP (35W vs 108W)

AMD Radeon HD 6770 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 14.40GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon HD 6770 +385%

1.36 TFLOPS

Radeon HD 8490 OEM

VS

Radeon HD 6770

Graphics Card

Jul 2013

Release Date

Jan 2011

Sea Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

2

Compute Units

10

160

Shading Units

800

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

3.500 GPixel/s

Pixel Rate

13.60 GPixel/s

7.000 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP16 (half)

-

280.0 GFLOPS

FP32 (float)

1360 GFLOPS

-

FP64 (double)

-

Graphics Processor

Caicos

GPU Name

Juniper

Caicos XTX

GPU Variant

Juniper XT (215-0754013)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

1.04 billion

67 mm²

Die Size

166 mm²

Board Design

35W

TDP

108W

200 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1.1

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

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