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GPU Comparison
AMD Radeon HD 8860 OEM vs AMD Radeon HD 7770 GHz Edition
AMD Radeon HD 8860 OEM vs AMD Radeon HD 7770 GHz Edition
VS
AMD Radeon HD 8860 OEM
AMD Radeon HD 7770 GHz Edition
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8860 OEM and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8860 OEM 's Advantages
Released 11 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (179.2GB/s vs 72.00GB/s)
640 additional rendering cores
AMD Radeon HD 7770 GHz Edition 's Advantages
Lower TDP (80W vs 175W)
Score
Benchmark
FP32 (float)
Radeon HD 8860 OEM
+85%
2.368 TFLOPS
Radeon HD 7770 GHz Edition
1.28 TFLOPS
Radeon HD 8860 OEM
VS
Radeon HD 7770 GHz Edition
Graphics Card
Jan 2013
Release Date
Feb 2012
Sea Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1400 MHz
Memory Clock
1125 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
179.2GB/s
Bandwidth
72.00GB/s
Render Config
-
SM Count
-
20
Compute Units
10
1280
Shading Units
640
80
TMUs
40
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
29.60 GPixel/s
Pixel Rate
16.00 GPixel/s
74.00 GTexel/s
Texture Rate
40.00 GTexel/s
-
FP16 (half)
-
2.368 TFLOPS
FP32 (float)
1280 GFLOPS
148.0 GFLOPS
FP64 (double)
80.00 GFLOPS
Graphics Processor
Curacao
GPU Name
Cape Verde
Curacao PRO (215-0848000)
GPU Variant
Cape Verde XT
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
1.5 billion
212 mm²
Die Size
123 mm²
Board Design
175W
TDP
80W
450 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 2x mini-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 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
5.1
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