Home GPU Comparison AMD Radeon R9 255 OEM vs ATI Radeon HD 5870 Eyefinity 6

AMD Radeon R9 255 OEM vs ATI Radeon HD 5870 Eyefinity 6

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 2GB VRAM Radeon HD 5870 Eyefinity 6 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 and 9 months late
Boost Clock930MHz
Lower TDP (65W vs 228W)
ATI Radeon HD 5870 Eyefinity 6 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 73.60GB/s)
1088 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 255 OEM
0.952 TFLOPS
Radeon HD 5870 Eyefinity 6 +185%
2.72 TFLOPS
VS

Graphics Card

Dec 2013
Release Date
Mar 2010
Volcanic Islands
Generation
Evergreen
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
1200 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
73.60GB/s
Bandwidth
153.6GB/s

Render Config

8
Compute Units
20
-
-
-
512
Shading Units
1600
32
TMUs
80
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
27.20 GPixel/s
29.76 GTexel/s
Texture Rate
68.00 GTexel/s
-
-
-
952.3 GFLOPS
FP32 (float)
2.720 TFLOPS
59.52 GFLOPS
FP64 (double)
544.0 GFLOPS

Board Design

65W
TDP
228W
250 W
Suggested PSU
550 W
No outputs
Outputs
6x mini-DisplayPort 1.1
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

Cape Verde
GPU Name
Cypress
Cape Verde PRX
GPU Variant
Cypress XT (215-0735033)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.5 billion
Transistors
2.154 billion
123 mm²
Die Size
334 mm²

Graphics Features

12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0

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