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GPU Comparison
AMD Radeon R9 Nano vs ATI Radeon HD 3870 Mac Edition
AMD Radeon R9 Nano vs ATI Radeon HD 3870 Mac Edition
VS
AMD Radeon R9 Nano
ATI Radeon HD 3870 Mac Edition
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 Nano 's Advantages
Released 7 years and 2 months late
Larger VRAM bandwidth (512.0GB/s vs 72.06GB/s)
3776 additional rendering cores
ATI Radeon HD 3870 Mac Edition 's Advantages
Lower TDP (106W vs 175W)
Score
Benchmark
FP32 (float)
Radeon R9 Nano
+1548%
8.192 TFLOPS
Radeon HD 3870 Mac Edition
0.497 TFLOPS
Radeon R9 Nano
VS
Radeon HD 3870 Mac Edition
Graphics Card
Aug 2015
Release Date
Jun 2008
Pirate Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
500 MHz
Memory Clock
1126 MHz
Memory
4GB
Memory Size
512MB
HBM
Memory Type
GDDR4
4096bit
Memory Bus
256bit
512.0GB/s
Bandwidth
72.06GB/s
Render Config
-
SM Count
-
64
Compute Units
4
4096
Shading Units
320
256
TMUs
16
64
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
2 MB
L2 Cache
256 KB
Theoretical Performance
64.00 GPixel/s
Pixel Rate
12.43 GPixel/s
256.0 GTexel/s
Texture Rate
12.43 GTexel/s
8.192 TFLOPS
FP16 (half)
-
8.192 TFLOPS
FP32 (float)
497.3 GFLOPS
512.0 GFLOPS
FP64 (double)
99.46 GFLOPS
Graphics Processor
Fiji
GPU Name
RV670
Fiji XT CA (215-0862120)
GPU Variant
RV670 XT (215-0708005)
GCN 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
8.9 billion
Transistors
0.666 billion
596 mm²
Die Size
192 mm²
Board Design
175W
TDP
106W
450 W
Suggested PSU
300 W
1x HDMI 1.4a 3x DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 8-pin
Power Connectors
1x 6-pin
Graphics Features
12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
2.0
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
6.3
Shader Model
4.1
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