AMD Radeon HD 8770 OEM vs AMD Radeon R7 260
GPU · Specs Compare
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
1500 MHz
Memory
Memory Size
1024MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
128bit
Bandwidth
96.00GB/s
96.00GB/s
Render Config
Compute Units
14
12
Shading Units
896
768
TMUs
56
48
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
16.00 GPixel/s
Texture Rate
58.80 GTexel/s
48.00 GTexel/s
FP32 (float)
1.882 TFLOPS
1.536 TFLOPS
FP64 (double)
117.6 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Bonaire
Bonaire
GPU Variant
Bonaire XT(215-0839039)
Bonaire PRO
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
95W
Suggested PSU
250 W
250 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 1.4a1x 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.