Home GPU Comparison AMD Radeon HD 8860 OEM vs AMD Radeon R9 260 OEM

AMD Radeon HD 8860 OEM vs AMD Radeon R9 260 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8860 OEM and 1024MB VRAM Radeon R9 260 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8860 OEM 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (179.2GB/s vs 104.0GB/s)
384 additional rendering cores
AMD Radeon R9 260 OEM 's Advantages
Released 11 months late
Lower TDP (85W vs 175W)

Score

Benchmark

FP32 (float)
Radeon HD 8860 OEM +20%
2.368 TFLOPS
Radeon R9 260 OEM
1.971 TFLOPS
VS

Graphics Card

Jan 2013
Release Date
Dec 2013
Sea Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1400 MHz
Memory Clock
1625 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
179.2GB/s
Bandwidth
104.0GB/s

Render Config

20
Compute Units
14
-
-
-
1280
Shading Units
896
80
TMUs
56
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

29.60 GPixel/s
Pixel Rate
17.60 GPixel/s
74.00 GTexel/s
Texture Rate
61.60 GTexel/s
-
-
-
2.368 TFLOPS
FP32 (float)
1.971 TFLOPS
148.0 GFLOPS
FP64 (double)
123.2 GFLOPS

Board Design

175W
TDP
85W
450 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

Curacao
GPU Name
Bonaire
Curacao PRO (215-0848000)
GPU Variant
Bonaire XT (215-0839039)
GCN 1.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
2.08 billion
212 mm²
Die Size
160 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.0
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.3

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