Home GPU Comparison ATI Radeon HD 5670 vs AMD Radeon R9 270

ATI Radeon HD 5670 vs AMD Radeon R9 270

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5670 and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5670 's Advantages
Lower TDP (64W vs 150W)
AMD Radeon R9 270 's Advantages
Released 3 years and 10 months late
Boost Clock925MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (179.2GB/s vs 64.00GB/s)
880 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 5670
0.62 TFLOPS
Radeon R9 270 +281%
2.368 TFLOPS
VS

Graphics Card

Jan 2010
Release Date
Nov 2013
Evergreen
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
900 MHz
-
Boost Clock
925 MHz
1000 MHz
Memory Clock
1400 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
64.00GB/s
Bandwidth
179.2GB/s

Render Config

5
Compute Units
20
-
-
-
400
Shading Units
1280
20
TMUs
80
8
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

6.200 GPixel/s
Pixel Rate
29.60 GPixel/s
15.50 GTexel/s
Texture Rate
74.00 GTexel/s
-
-
-
620.0 GFLOPS
FP32 (float)
2.368 TFLOPS
-
FP64 (double)
148.0 GFLOPS

Board Design

64W
TDP
150W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
1x 6-pin

Graphics Processor

Redwood
GPU Name
Curacao
Redwood XT (215-0757002)
GPU Variant
Curacao PRO (215-0848000)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.627 billion
Transistors
2.8 billion
104 mm²
Die Size
212 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
5.1

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