AMD Radeon HD 6950 vs AMD Radeon R9 390X

VS

AMD Radeon HD 6950

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

Lower TDP (200W vs 275W)

AMD Radeon R9 390X 's Advantages

Released 4 years and 6 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 160.0GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6950

2.253 TFLOPS

Radeon R9 390X +162%

5.914 TFLOPS

Radeon HD 6950

VS

Radeon R9 390X

Graphics Card

Dec 2010

Release Date

Jun 2015

Northern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

160.0GB/s

Bandwidth

384.0GB/s

Render Config

22

Compute Units

44

-

1408

Shading Units

2816

88

TMUs

176

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

67.20 GPixel/s

70.40 GTexel/s

Texture Rate

184.8 GTexel/s

-

2.253 TFLOPS

FP32 (float)

5.914 TFLOPS

563.2 GFLOPS

FP64 (double)

739.2 GFLOPS

Board Design

200W

TDP

275W

550 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cayman

GPU Name

Grenada

Cayman PRO (215-0807019)

GPU Variant

Grenada XT (215-0880004)

TeraScale 3

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

6.2 billion

389 mm²

Die Size

438 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

Related GPU Comparisons

1

AMD Radeon HD 6950 vs AMD Radeon RX 550X 640SP

2

AMD Radeon HD 6950 vs ATI Radeon HD 2900 PRO

3

AMD Radeon HD 6950 vs NVIDIA GeForce 8400 GS

4

AMD Radeon HD 6950 vs AMD Radeon HD 8730 OEM

5

AMD Radeon HD 6950 vs NVIDIA GeForce GTX 1070 Ti

6

AMD Radeon HD 6950 vs NVIDIA GeForce GTX 580

7

AMD Radeon HD 6950 vs ATI FirePro 2270 PCIe x1

8

AMD Radeon HD 6950 vs ATI FireGL V7600

9

AMD Radeon HD 6950 vs AMD Radeon HD 8350 OEM

10

AMD Radeon HD 6950 vs ATI FirePro V8700

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early