AMD Radeon HD 6790 vs ATI FireGL V8650

VS

AMD Radeon HD 6790

ATI FireGL V8650

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 2GB VRAM FireGL V8650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Released 3 years and 8 months late

Larger VRAM bandwidth (134.4GB/s vs 111.1GB/s)

480 additional rendering cores

ATI FireGL V8650 's Advantages

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +205%

1.344 TFLOPS

FireGL V8650

0.44 TFLOPS

Radeon HD 6790

VS

FireGL V8650

Graphics Card

Apr 2011

Release Date

Aug 2007

Northern Islands

Generation

FireGL

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

868 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

512bit

134.4GB/s

Bandwidth

111.1GB/s

Render Config

10

Compute Units

4

-

800

Shading Units

320

40

TMUs

16

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

11.01 GPixel/s

33.60 GTexel/s

Texture Rate

11.01 GTexel/s

-

1344 GFLOPS

FP32 (float)

440.3 GFLOPS

-

Board Design

150W

TDP

Unknown

450 W

Suggested PSU

200 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

R600

Barts LE (215-0798002)

GPU Variant

R600 V8650 (215RGIDKA13FG)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.7 billion

Transistors

0.72 billion

255 mm²

Die Size

420 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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