ATI Radeon HD 4890 vs ATI FireGL V8650

VS

ATI Radeon HD 4890

ATI FireGL V8650

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 2GB VRAM FireGL V8650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4890 's Advantages

Released 1 years and 8 months late

Larger VRAM bandwidth (124.8GB/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 4890 +209%

1.36 TFLOPS

FireGL V8650

0.44 TFLOPS

Radeon HD 4890

VS

FireGL V8650

Graphics Card

Apr 2009

Release Date

Aug 2007

Radeon R700

Generation

FireGL

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

975 MHz

Memory Clock

868 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

512bit

124.8GB/s

Bandwidth

111.1GB/s

Render Config

10

Compute Units

4

-

800

Shading Units

320

40

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

11.01 GPixel/s

34.00 GTexel/s

Texture Rate

11.01 GTexel/s

-

1360 GFLOPS

FP32 (float)

440.3 GFLOPS

272.0 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

Unknown

450 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV790

GPU Name

R600

RV790 XT (215-0758016)

GPU Variant

R600 V8650 (215RGIDKA13FG)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.959 billion

Transistors

0.72 billion

282 mm²

Die Size

420 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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