ATI Radeon HD 5970 vs AMD Radeon R9 270X
GPU Specs Compare
Graphics Card
Release Date
Nov 2009
Oct 2013
Generation
Evergreen
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1000 MHz
1400 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1050 MHz
Memory
Memory Size
1024MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
128.0GB/s
179.2GB/s
Render Config
Compute Units
20
20
Shading Units
1600
1280
TMUs
80
80
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
23.20 GPixel/s
33.60 GPixel/s
Texture Rate
58.00 GTexel/s
84.00 GTexel/s
FP32 (float)
2.320 TFLOPS
2.688 TFLOPS
FP64 (double)
464.0 GFLOPS
168.0 GFLOPS
Graphics Processor
GPU Name
Hemlock
Curacao
GPU Variant
Hemlock XT(215-0735075)
Curacao XT(215-0848004)
Architecture
TeraScale 2
GCN 1.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
2.8 billion
Die Size
334 mm²
212 mm²
Board Design
TDP
294W
180W
Suggested PSU
600 W
450 W
Outputs
2x DVI1x mini-DisplayPort 1.1
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
2x 6-pin
Graphics Features
DirectX
11.2 (11_0)
12 (11_1)
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
1.2
Shader Model
5.0
5.1
📊 Benchmark
3DMark Time Spy
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1,769