AMD Radeon R9 290 vs AMD Radeon R9 270
GPU · Specs Compare
Graphics Card
Release Date
Nov 2013
Nov 2013
Generation
Volcanic Islands
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1400 MHz
Base Clock
—
900 MHz
Boost Clock
—
925 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
256bit
Bandwidth
320.0GB/s
179.2GB/s
Render Config
Compute Units
40
20
Shading Units
2560
1280
TMUs
160
80
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
512 KB
Theoretical Performance
Pixel Rate
60.61 GPixel/s
29.60 GPixel/s
Texture Rate
151.5 GTexel/s
74.00 GTexel/s
FP32 (float)
4.849 TFLOPS
2.368 TFLOPS
FP64 (double)
606.1 GFLOPS
148.0 GFLOPS
Graphics Processor
GPU Name
Hawaii
Curacao
GPU Variant
Hawaii PRO(215-0852020)
Curacao PRO(215-0848000)
Architecture
GCN 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6.2 billion
2.8 billion
Die Size
438 mm²
212 mm²
Board Design
TDP
275W
150W
Suggested PSU
600 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-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
Benchmark
3DMark Time Spy
3,694
1,603
▲ Specs Compare
Data sourced from official specifications and benchmark tests.