AMD Radeon HD 6870 vs ATI FireGL V8650

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 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 6870 's Advantages

Released 3 years and 2 months late

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

800 additional rendering cores

ATI FireGL V8650 's Advantages

More VRAM (2GB vs 1GB)

Score

Benchmark

FP32 (float)

Radeon HD 6870 +358%

2.016 TFLOPS

FireGL V8650

0.44 TFLOPS

Radeon HD 6870

VS

FireGL V8650

Graphics Card

Oct 2010

Release Date

Aug 2007

Northern Islands

Generation

FireGL

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

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

-

SM Count

-

14

Compute Units

4

1120

Shading Units

320

56

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

11.01 GPixel/s

50.40 GTexel/s

Texture Rate

11.01 GTexel/s

-

FP16 (half)

-

2.016 TFLOPS

FP32 (float)

440.3 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

R600

Barts XT (215-0798000)

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

Board Design

151W

TDP

Unknown

450 W

Suggested PSU

200 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

-

CUDA

-

5.0

Shader Model

4.0

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