AMD Radeon HD 7870 XT vs ATI FireGL V7600

VS

AMD Radeon HD 7870 XT

ATI FireGL V7600

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 512MB VRAM FireGL V7600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Released 5 years and 3 months late

Boost Clock975MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (192.0GB/s vs 51.20GB/s)

1216 additional rendering cores

ATI FireGL V7600 's Advantages

Lower TDP (127W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +679%

2.995 TFLOPS

FireGL V7600

0.384 TFLOPS

Radeon HD 7870 XT

VS

FireGL V7600

Graphics Card

Nov 2012

Release Date

Aug 2007

Southern Islands

Generation

FireGL

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

51.20GB/s

Render Config

24

Compute Units

4

-

1536

Shading Units

320

96

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

9.600 GPixel/s

93.60 GTexel/s

Texture Rate

9.600 GTexel/s

-

2.995 TFLOPS

FP32 (float)

384.0 GFLOPS

748.8 GFLOPS

FP64 (double)

-

Board Design

185W

TDP

127W

450 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Tahiti

GPU Name

R600

Tahiti LE (215-0821122)

GPU Variant

R600 GL

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

4.313 billion

Transistors

0.72 billion

352 mm²

Die Size

420 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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