AMD Radeon R9 280X2 vs ATI Radeon HD 5870 Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Jun 2010
Generation
Volcanic Islands
Evergreen
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
950 MHz
—
Boost Clock
1000 MHz
—
Memory Clock
1500 MHz
1195 MHz
Memory
Memory Size
3GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.0GB/s
153.0GB/s
Render Config
Compute Units
32
20
Shading Units
2048
1600
TMUs
128
80
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
768 KB
512 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
27.20 GPixel/s
Texture Rate
128.0 GTexel/s
68.00 GTexel/s
FP32 (float)
4.096 TFLOPS
2.720 TFLOPS
FP64 (double)
1024 GFLOPS
544.0 GFLOPS
Graphics Processor
GPU Name
Tahiti
Cypress
GPU Variant
Tahiti XTL(215-0821065)
Cypress XT(215-0735033)
Architecture
GCN 1.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
4.313 billion
2.154 billion
Die Size
352 mm²
334 mm²
Board Design
TDP
375W
228W
Suggested PSU
750 W
550 W
Outputs
6x mini-DisplayPort 1.2
1x DVI2x mini-DisplayPort 1.1
Power Connectors
3x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (11_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
1.2
1.2
Vulkan
1.2
N/A
Shader Model
5.1
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.