AMD Radeon R9 255 OEM vs AMD Radeon HD 6950

VS

AMD Radeon R9 255 OEM

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Released 3 years late

Boost Clock930MHz

Lower TDP (65W vs 200W)

AMD Radeon HD 6950 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 73.60GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

Radeon HD 6950 +136%

2.253 TFLOPS

Radeon R9 255 OEM

VS

Radeon HD 6950

Graphics Card

Dec 2013

Release Date

Dec 2010

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

930 MHz

Boost Clock

-

1150 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

73.60GB/s

Bandwidth

160.0GB/s

Render Config

8

Compute Units

22

-

512

Shading Units

1408

32

TMUs

88

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

25.60 GPixel/s

29.76 GTexel/s

Texture Rate

70.40 GTexel/s

-

952.3 GFLOPS

FP32 (float)

2.253 TFLOPS

59.52 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

65W

TDP

200W

250 W

Suggested PSU

550 W

No outputs

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cape Verde

GPU Name

Cayman

Cape Verde PRX

GPU Variant

Cayman PRO (215-0807019)

GCN 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

2.64 billion

123 mm²

Die Size

389 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 R9 255 OEM vs NVIDIA P106 100

2

AMD Radeon R9 255 OEM vs AMD Radeon HD 8950 OEM

3

AMD Radeon R9 255 OEM vs AMD Radeon R7 250

4

AMD Radeon R9 255 OEM vs NVIDIA GeForce GTX 470 PhysX Edition

5

AMD Radeon R9 255 OEM vs NVIDIA GeForce GTX 760 X2

6

AMD Radeon R9 255 OEM vs AMD Radeon HD 7570 OEM

7

AMD Radeon R9 255 OEM vs ATI FirePro V9800

8

AMD Radeon R9 255 OEM vs AMD Radeon 550X

9

AMD Radeon R9 255 OEM vs NVIDIA GeForce RTX 3070

10

AMD Radeon R9 255 OEM vs AMD Radeon HD 6850 X2

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