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GPU Comparison
AMD Radeon R9 270 vs ATI Radeon HD 5770
AMD Radeon R9 270 vs ATI Radeon HD 5770
VS
AMD Radeon R9 270
ATI Radeon HD 5770
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 1024MB VRAM Radeon HD 5770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270 's Advantages
Released 4 years and 1 months late
Boost Clock925MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (179.2GB/s vs 76.80GB/s)
480 additional rendering cores
ATI Radeon HD 5770 's Advantages
Lower TDP (108W vs 150W)
Score
Benchmark
FP32 (float)
Radeon R9 270
+74%
2.368 TFLOPS
Radeon HD 5770
1.36 TFLOPS
Radeon R9 270
VS
Radeon HD 5770
Graphics Card
Nov 2013
Release Date
Oct 2009
Volcanic Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
900 MHz
Base Clock
-
925 MHz
Boost Clock
-
1400 MHz
Memory Clock
1200 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
179.2GB/s
Bandwidth
76.80GB/s
Render Config
-
SM Count
-
20
Compute Units
10
1280
Shading Units
800
80
TMUs
40
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
13.60 GPixel/s
74.00 GTexel/s
Texture Rate
34.00 GTexel/s
-
FP16 (half)
-
2.368 TFLOPS
FP32 (float)
1360 GFLOPS
148.0 GFLOPS
FP64 (double)
-
Graphics Processor
Curacao
GPU Name
Juniper
Curacao PRO (215-0848000)
GPU Variant
Juniper XT (215-0754013)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
1.04 billion
212 mm²
Die Size
166 mm²
Board Design
150W
TDP
108W
450 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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