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GPU Comparison
AMD Radeon R9 270 1024SP vs ATI Radeon HD 3830
AMD Radeon R9 270 1024SP vs ATI Radeon HD 3830
VS
AMD Radeon R9 270 1024SP
ATI Radeon HD 3830
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 256MB VRAM Radeon HD 3830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270 1024SP 's Advantages
Released 6 years and 11 months late
Boost Clock925MHz
Larger VRAM bandwidth (153.6GB/s vs 26.50GB/s)
704 additional rendering cores
ATI Radeon HD 3830 's Advantages
Lower TDP (75W vs 150W)
Score
Benchmark
FP32 (float)
Radeon R9 270 1024SP
+342%
1.894 TFLOPS
Radeon HD 3830
0.428 TFLOPS
Radeon R9 270 1024SP
VS
Radeon HD 3830
Graphics Card
Mar 2015
Release Date
Apr 2008
Volcanic Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
900 MHz
Base Clock
-
925 MHz
Boost Clock
-
1200 MHz
Memory Clock
828 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
26.50GB/s
Render Config
-
SM Count
-
16
Compute Units
4
1024
Shading Units
320
64
TMUs
16
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
128 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
10.69 GPixel/s
59.20 GTexel/s
Texture Rate
10.69 GTexel/s
-
FP16 (half)
-
1.894 TFLOPS
FP32 (float)
427.5 GFLOPS
118.4 GFLOPS
FP64 (double)
85.50 GFLOPS
Graphics Processor
Pitcairn
GPU Name
RV670
Pitcairn PRO (215-0828062)
GPU Variant
RV670 PRO (215-0708003)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.8 billion
Transistors
0.666 billion
212 mm²
Die Size
192 mm²
Board Design
150W
TDP
75W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
4.1
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