AMD Radeon HD 8950 OEM vs ATI Radeon HD 4870 Mac Edition

VS

AMD Radeon HD 8950 OEM

ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950 OEM 's Advantages

Released 4 years late

Boost Clock925MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 108.8GB/s)

992 additional rendering cores

ATI Radeon HD 4870 Mac Edition 's Advantages

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM +176%

3.315 TFLOPS

Radeon HD 4870 Mac Edition

1.2 TFLOPS

Radeon HD 8950 OEM

VS

Radeon HD 4870 Mac Edition

Graphics Card

Jan 2013

Release Date

Jan 2009

Sea Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

850 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

108.8GB/s

Render Config

28

Compute Units

10

-

1792

Shading Units

800

112

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

12.00 GPixel/s

103.6 GTexel/s

Texture Rate

30.00 GTexel/s

-

3.315 TFLOPS

FP32 (float)

1200 GFLOPS

828.8 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

200W

TDP

150W

550 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x mini-DisplayPort 1.0

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

RV770

Tahiti PRO (215-0821056)

GPU Variant

RV770 XT Mac (215-0669080)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.956 billion

352 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon HD 8950 OEM vs NVIDIA GeForce GTX 1650 TU106

2

AMD Radeon HD 8950 OEM vs NVIDIA GeForce 6200

3

AMD Radeon HD 8950 OEM vs ATI Radeon HD 2900 XTX

4

AMD Radeon HD 8950 OEM vs AMD Radeon R9 290X2

5

AMD Radeon HD 8950 OEM vs NVIDIA GeForce GT 610 PCI

6

AMD Radeon HD 8950 OEM vs AMD Radeon Pro SSG

7

AMD Radeon HD 8950 OEM vs ATI Radeon HD 4855

8

AMD Radeon HD 8950 OEM vs NVIDIA GeForce GTX 780

9

AMD Radeon HD 8950 OEM vs AMD Radeon HD 6670

10

AMD Radeon HD 8950 OEM vs AMD Radeon HD 8570 OEM Rebrand

Related News

1

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

2

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

3

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

4

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

5

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

6

CXMT Reportedly Achieves 80% Yield in DDR5 Production

7

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

8

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

9

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

10

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