ATI Radeon HD 4870 X2 vs ATI FirePro V4900

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 1024MB VRAM FirePro V4900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)

320 additional rendering cores

ATI FirePro V4900 's Advantages

Released 3 years and 3 months late

Lower TDP (75W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2 +56%

1.2 TFLOPS

FirePro V4900

0.768 TFLOPS

Radeon HD 4870 X2

VS

FirePro V4900

Graphics Card

Aug 2008

Release Date

Nov 2011

Radeon R700

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

10

Compute Units

6

800

Shading Units

480

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

6.400 GPixel/s

30.00 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

768.0 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Graphics Processor

R700

GPU Name

Turks

R700 XT (215-0669045)

GPU Variant

Turks XT GL

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.716 billion

256 mm²

Die Size

118 mm²

Board Design

286W

TDP

75W

600 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 2x DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

5.0

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