AMD Radeon HD 7870 GHz Edition vs AMD Radeon HD 7450 OEM

VS

AMD Radeon HD 7870 GHz Edition

AMD Radeon HD 7450 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 8.528GB/s)

1120 additional rendering cores

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +1180%

2.56 TFLOPS

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon HD 7870 GHz Edition

VS

Radeon HD 7450 OEM

Graphics Card

Mar 2012

Release Date

Jan 2012

Southern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

533 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

8.528GB/s

Render Config

20

Compute Units

2

-

1280

Shading Units

160

80

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.500 GPixel/s

80.00 GTexel/s

Texture Rate

5.000 GTexel/s

-

2.560 TFLOPS

FP32 (float)

200.0 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

18W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

2x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Caicos

Pitcairn XT (215-0828047)

GPU Variant

Caimour

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.37 billion

212 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon HD 7870 GHz Edition vs AMD Radeon RX 480

2

AMD Radeon HD 7870 GHz Edition vs NVIDIA NVS 310

3

AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GTS 240 OEM

4

AMD Radeon HD 7870 GHz Edition vs AMD Radeon R9 FURY

5

AMD Radeon HD 7870 GHz Edition vs NVIDIA T400

6

AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GTX 1660

7

AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GT 120 Mac Edition

8

AMD Radeon HD 7870 GHz Edition vs ATI Radeon HD 4450

9

AMD Radeon HD 7870 GHz Edition vs AMD Radeon R9 280X

10

AMD Radeon HD 7870 GHz Edition vs ATI FirePro V7770

Related News

1

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

2

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

3

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

4

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

5

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

6

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

7

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

8

CXMT Reportedly Achieves 80% Yield in DDR5 Production

9

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

10

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