AMD Radeon HD 7870 XT vs AMD Radeon HD 8990 OEM

VS

AMD Radeon HD 7870 XT

AMD Radeon HD 8990 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 3GB VRAM Radeon HD 8990 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 375W)

AMD Radeon HD 8990 OEM 's Advantages

Boost Clock has increased by 3% (1000MHz vs 975MHz)

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 192.0GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

Radeon HD 8990 OEM +36%

4.096 TFLOPS

Radeon HD 7870 XT

VS

Radeon HD 8990 OEM

Graphics Card

Nov 2012

Release Date

Apr 2013

Southern Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

950 MHz

975 MHz

Boost Clock

1000 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

192.0GB/s

Bandwidth

288.0GB/s

Render Config

24

Compute Units

32

-

1536

Shading Units

2048

96

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

32.00 GPixel/s

93.60 GTexel/s

Texture Rate

128.0 GTexel/s

-

2.995 TFLOPS

FP32 (float)

4.096 TFLOPS

748.8 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

185W

TDP

375W

450 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

Malta

Tahiti LE (215-0821122)

GPU Variant

Malta XT (215-0849026)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

4.313 billion

352 mm²

Die Size

365 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon HD 7870 XT vs NVIDIA GeForce 9500 GT

2

AMD Radeon HD 7870 XT vs AMD Radeon R7 350 OEM

3

AMD Radeon HD 7870 XT vs AMD Radeon R9 Nano

4

AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX 960 OEM

5

AMD Radeon HD 7870 XT vs NVIDIA GeForce GT 240

6

AMD Radeon HD 7870 XT vs ATI Radeon HD 2600 PRO AGP

7

AMD Radeon HD 7870 XT vs AMD Radeon 550X

8

AMD Radeon HD 7870 XT vs AMD Radeon R9 290

9

AMD Radeon HD 7870 XT vs NVIDIA GeForce RTX 3060 8 GB GA104

10

AMD Radeon HD 7870 XT vs ATI Radeon HD 2400 PRO

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!