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GPU Comparison
AMD Radeon Sky 500 vs AMD Radeon HD 8770 OEM
AMD Radeon Sky 500 vs AMD Radeon HD 8770 OEM
VS
AMD Radeon Sky 500
AMD Radeon HD 8770 OEM
We compared two Desktop platform GPUs: 4GB VRAM Radeon Sky 500 and 1024MB VRAM Radeon HD 8770 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Sky 500 's Advantages
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (153.6GB/s vs 96.00GB/s)
384 additional rendering cores
AMD Radeon HD 8770 OEM 's Advantages
Released 6 months late
Lower TDP (85W vs 150W)
Score
Benchmark
FP32 (float)
Radeon Sky 500
+29%
2.432 TFLOPS
Radeon HD 8770 OEM
1.882 TFLOPS
Radeon Sky 500
VS
Radeon HD 8770 OEM
Graphics Card
Mar 2013
Release Date
Sep 2013
Radeon Sky
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
1500 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
96.00GB/s
Render Config
-
SM Count
-
20
Compute Units
14
1280
Shading Units
896
80
TMUs
56
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
30.40 GPixel/s
Pixel Rate
16.80 GPixel/s
76.00 GTexel/s
Texture Rate
58.80 GTexel/s
-
FP16 (half)
-
2.432 TFLOPS
FP32 (float)
1.882 TFLOPS
152.0 GFLOPS
FP64 (double)
117.6 GFLOPS
Graphics Processor
Pitcairn
GPU Name
Bonaire
Pitcairn XT GL (215-0828073)
GPU Variant
Bonaire XT (215-0839039)
GCN 1.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
2.08 billion
212 mm²
Die Size
160 mm²
Board Design
150W
TDP
85W
450 W
Suggested PSU
250 W
1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.0
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
6.3
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