AMD Radeon HD 8770 OEM vs AMD Radeon R9 260 OEM

GPU · Specs Compare

Products
GPU AMD Radeon HD 8770 OEM AMD · 2013-09
GPU AMD Radeon R9 260 OEM AMD · 2013-12
Graphics Card
Release Date
Sep 2013
Dec 2013
Generation
Sea Islands
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1625 MHz
Memory
Memory Size
1024MB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
128bit
Bandwidth
96.00GB/s
104.0GB/s
Render Config
Compute Units
14
14
Shading Units
896
896
TMUs
56
56
ROPs
16
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
256 KB
Theoretical Performance
Pixel Rate
16.80 GPixel/s
17.60 GPixel/s
Texture Rate
58.80 GTexel/s
61.60 GTexel/s
FP32 (float)
1.882 TFLOPS
1.971 TFLOPS
FP64 (double)
117.6 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
Bonaire
Bonaire
GPU Variant
Bonaire XT(215-0839039)
Bonaire XT(215-0839039)
Architecture
GCN 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
2.08 billion
Die Size
160 mm²
160 mm²
Board Design
TDP
85W
85W
Suggested PSU
250 W
250 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.0
Vulkan
1.2
1.2
Shader Model
6.3
6.3
▲ Specs Compare Data sourced from official specifications and benchmark tests.