AMD Radeon R9 270X vs AMD Radeon R9 280X2
GPU Specs Compare
Graphics Card
Release Date
Oct 2013
Unknown
Generation
Volcanic Islands
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
950 MHz
Boost Clock
1050 MHz
1000 MHz
Memory Clock
1400 MHz
1500 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
179.2GB/s
288.0GB/s
Render Config
Compute Units
20
32
Shading Units
1280
2048
TMUs
80
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
768 KB
Theoretical Performance
Pixel Rate
33.60 GPixel/s
32.00 GPixel/s
Texture Rate
84.00 GTexel/s
128.0 GTexel/s
FP32 (float)
2.688 TFLOPS
4.096 TFLOPS
FP64 (double)
168.0 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
Curacao
Tahiti
GPU Variant
Curacao XT(215-0848004)
Tahiti XTL(215-0821065)
Architecture
GCN 1.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
4.313 billion
Die Size
212 mm²
352 mm²
Board Design
TDP
180W
375W
Suggested PSU
450 W
750 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
6x mini-DisplayPort 1.2
Power Connectors
2x 6-pin
3x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2
1.2
Shader Model
5.1
5.1
📊 Benchmark
3DMark Time Spy
1,769
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