AMD Radeon R9 260 OEM vs AMD Radeon HD 7990
GPU · Specs Compare
Graphics Card
Release Date
Dec 2013
Apr 2013
Generation
Volcanic Islands
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1625 MHz
1500 MHz
Base Clock
—
950 MHz
Boost Clock
—
1000 MHz
Memory
Memory Size
1024MB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
384bit
Bandwidth
104.0GB/s
288.0GB/s
Render Config
Compute Units
14
32
Shading Units
896
2048
TMUs
56
128
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
768 KB
Theoretical Performance
Pixel Rate
17.60 GPixel/s
32.00 GPixel/s
Texture Rate
61.60 GTexel/s
128.0 GTexel/s
FP32 (float)
1.971 TFLOPS
4.096 TFLOPS
FP64 (double)
123.2 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
Bonaire
Malta
GPU Variant
Bonaire XT(215-0839039)
Malta XT(215-0849026)
Architecture
GCN 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
4.313 billion
Die Size
160 mm²
365 mm²
Board Design
TDP
85W
375W
Suggested PSU
250 W
750 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI4x mini-DisplayPort 1.2
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.0
1.2
Vulkan
1.2
1.2
Shader Model
6.3
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.